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14
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What Is The Answer To 3x plus 12 42?
3x + 12 = 42 3x = 30 x = 10
2x plus 3x equals?
2x+3x = 5x
What is the answer to 3x equals 15?
If: 3x = 15 Then: x = 5
What is the answer to y equals 3x 3x plus 4y equals 30?
y = 3x 3x + 4y = 30 3x + 4(3x) = 30 3x + 12x = 30 15x = 30 x = 2 y = 3x y = 3(2) y = 6 (2, 6)
3x plus 7 equals 37 x equals?
3x+7=37 -7 -7 3x=30 /3 /3 x=10
What does 3x plus 42 equals 6x plus 12 mean?
3x+42=6x+12 42=6x-3x+12 42=3x+12 42-12=3x 30=3x 10=x
What is 3x-42 equals 33?
3x=(33+42) 3x=75 x=75/3 x=25
What is the answer to 42 divided by something x 3multiplied by 12 equals 24?
(42/3x)*12=24 42/3X=2 42=6X x=7 if it'isn't 3x but x^3 then 21=X^3 21^(1/3)=2.76
3x equals -39 solve for x?
42
2x plus 2y equals 28 3x plus 3y equals 42?
All that can be deduced is that x + y = 14.
How do you solve three times your age plus 9 equals forty-two years?
3x + 9 = 42 3x = 33 x = 11
What is 27-15 equals to?
42
What Is The Answer To 3x plus 12 42?
3x + 12 = 42 3x = 30 x = 10
If T equals 3x plus 7y what is T when x equals 4 and y equals 6?
T = 3x + 7y; x = 4; y = 6T = 3x + 7y (substitute 4 for x, and 6 for y)T = 3(4) + 7(6) = 12 + 42 = 54
3x-1 equals 11 what is the value of x2 plus x?
3x-1=11 solves to x=4. Plug in 4 to get 42+4. The answer is 20.
Solve 3x plus 2y equals 0 and -9x plus y equals 42 using substitution method?
3x+2y = 0 -9x+y = 42 => y = 42+9x Substitute the bottom rearranged equation into the top equation: 3x+2(42+9x) = 0 3x+82+18x = 0 21x = -84 Divide both sides by 21 to find the value of x: x = -4 Substitute the value of x into the original equations to find the value of y: So: x = -4 and y = 6
15 plus 3x 42 then x?
If 15 + 3x = 42, then x = 9
