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128 64x2 is the same as 64+64, which equals 128.

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โˆ™ 2008-09-05 23:13:20
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Q: What is 2x 64?
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What Is 6x-2x-64?

It is an expression that can be simplified to: 4x-64


What is x equal to is 2x equals 64?

32. 2x=64 can be written as x = 64/2. 64/2=32


If 2x - 64 then what is the value of x?

-62


What is 2x plus 8 squared?

2X + 8^2 = 2X+64, for whatever value X. If the question is (2x+8)², the answer is 4x²+32x+64 The formula is (a+b)² = a² + 2ab + b². a=2x, b=8, a²=4x², b²=64


What does x equals when 2x equals 128?

find x when, 2x=128 2x=128 /2 /2 x=128 /2 x=64 then check your answer by doing the following if x=64, then what is 2x? 2(64)=? or 2 * 64=? or 2 x 64=? 2 times 64 equals 128!


What is the value of x if 2x-64?

66


3x plus 1 plus 2x-2 equals 64?

3x+1+2x-2 = 64 3x+2x = 64-1+2 5x = 65 x = 13


What does 2x what equal 64?

The answer is 32.


2x -64 what is the value of x?

66


The sum of twice a number and 63 is 191 Find the number?

2x+63=191 2x = 128 x = 64


The factor tree for 64 and 114?

648 x 84x2 4x22x2x 2x 2x2


Perimeter of a rectangle is 64m length is 8m more than twice the width what is the dimensions?

Let the length be 2x+8 and the width be x: 2(2x+8+x) = 64 4x+16+2x = 64 6x = 64-16 6x = 48 x = 8 Therefore: length = 24m and width = 8m


X2 -2x plus 65 equals 0?

x2 - 2x + 65 = 0 Subtract 64 from each side: x2 - 2x + 1 = -64 (x - 1)2 = (i*8)2 where i is the imaginary square root of -1 x - 1 = +/- 8i x = 1 +/- 8i


How do you factor completely x to the sixth power minus 64?

(x - 2)(x + 2)(x2 - 2x + 4)(x2 + 2x + 4)


What is 64 in exponential form with 2 or 3 as the exponent?

Two to the sixth power. 8 with an exponent of 2 equals 64 and 4 with an exponent of 3 equals 64


What are the x-solutions for the equation 10x2-64 equals 36 plus 6x2?

If: 10x2-64 = 36+6x2 Then: 4x2-100 = 0 And: (2x-10)(2x+10) = 0 So: x = 5 or x = -5


-64 equals -4x plus 2x-6x?

X equals to 8


What is negative sixty four divided by 2 times negative sixteen?

-64 : 2x(-16) = 2


2x plus 7z equals 64 8y plus 6z equals 40 3x-2y plus 4z equals 46?

Solve by the substitution method the given system of the linear equations of 3 variables.2x + 7z = 648y + 6z = 403x - 2y + 4z = 46 (add the first equation with the second equation)2x + 8y + 13z = 1043x - 2y + 4z = 46 (multiply the second equation by 4)2x + 8y + 13z = 10412x - 8y + 16z = 184 (add both equations)14x + 29z = 28814x + 29z = 2882x + 7z = 64 (multiply the second equation by -7)14x + 29z = 288-14x - 49z = -448 (add both equations)-20z = -160 (divide both sides by -20)z = 82x + 7z = 64 (substitute 8 for z)2x + 7(8) = 642x + 56 = 64 (subtract 56 to both sides)2x = 8(divide by 2 to both sides)x = 48y + 6z = 40 (substitute 8 for z)8y + 6(8) = 408y + 48 = 40 (subtract 48 to both sides)8y = -8 (divide by 8 to both sides)y= -1Thus, the solutions are x = 4, y = -1, and z = 8.


What are the numbers whose sum is 64 and whose differences is 42?

53,11 x+y=64 x-y=42 combine terms 2x=106 x=53 substitute x and solve for y 53+y=64 y=11


What is 2x plus -2x?

It is 2x+(-2x) = 0


How do you solve 64 diveded by 125 that number to the power of 2x-8 equals 25 diveded by 16 that number to the power of x Please show work?

(64/125)2x-8=(25/16)xOk, you first want to give them common bases:(43/53)2x-8=(52/42)xSo because of the rule (xm)n=xmn, we can say:(4/5)3(2x-8)=(5/4)2xBut you see that we still don't have the same bases, so in order to make them the same, we have to flip either one to make them equal. When you want to flip a fraction, you invert it by putting it to a power of -1.(4/5)3(2x-8)=(4/5)-2xNow, you can ignore the bases and set the exponents equal to each other.3(2x-8)=-2xAnd solve for x:6x-24=-2x-24=-8xx=3


Why is 2x cubed different from 2x times 2x times 2x?

2X * 2X * 2X = 8X^3 2X^3 is saying 2*( X * X * X) = 2X^3


How do you do 2x times 2x?

2x * 2x (2*2=4) therefore, 2x*2x equals 4x2.


If RS equals 3x plus 1 and ST equals 2x-2 and and RT equals 64 then find X?

If RS = 23-2x, ST = 9x -5, and RT = 39, find RS.