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Which is a solution to 2x2 - 7x plus 3 equals 0?
2x2-7x+3 = 0 (2x-1)(x-3) = 0 x = 1/2 or x = 3
10x plus 4 equals 3x plus 7?
7x = 3 x = 3/7
7x-3 equals 3x plus 8?
7x-3=3x+8 7x-3x=8+3 4x=11 x=11/4=2.75
What is 7x plus 8 equals 10x minus 2?
7x + 8 = 10x - 2 ∴ 3x = 10 ∴ x = 10/3
How do you solve 5X plus y equals -12 7X -3y equals -30 by elimination method?
(1) 5x+y=-12 (2) 7x-3y=-30 From (1) one gets y = -12-5x Put into (2) 7x-3y = 7x -3 (-12-5x) = 7x + 36 +15 x = 22x +36=-30 22x = -30-36 = -66 so x = -3 and y=-12-5x = -12-5x-3= 3 The solution is (-3,3)
Which is a solution to 2x2 - 7x plus 3 equals 0?
2x2-7x+3 = 0 (2x-1)(x-3) = 0 x = 1/2 or x = 3
What number is the solution to the equation 22 equals 7x plus 1?
22=7x+1 (take 1 of each side of the equals) 21=7x (divide each side by seven) 3=x (BAM! answer)
3 equals 2y plus 7x in standard form?
-7x - 2y = -3
What is -3 7x plus 7?
The answer to the math problem -3 7x plus 7 is x equals 1/3.
What is 3 plus 3x plus 7x equals 13?
3+3x+7x=13 3x+7x=10 10x=10 x=1
How do you solve 7x plus 2y equals -3?
Subtract by 7x and divide by 2.
How do you solve 4x plus 9 equals 7x plus 3?
4x+9 = 7x+3 4x-7x = 3-9 -3x = -6 x = 2
7x plus 7 equals 28 x equals?
7x+7=28x 28x-7x=7 21x=7 x=3
What is the solution to 7x plus y plus z equals 6 7x plus y plus 4z equals 9 y plus x equals 6?
7x + y + z = 6 7x + y + 4z = 9 y + x = 6 Take the first two statements and subtract them. 7x + y + z = 6 7x + y + 4z = 9 _____________ 0 + 0 - 3z = -3 Therefore: z = 1 Then you are left with: 7x + y + 1 = 6 7x + y + 4 = 9 which is impossible, so this is an impossible equation.
7x plus 8 equals 11x plus 3 equals what?
7x + 8 = 11x + 3, solve for xsubtract 7x from both sides8 = 11x - 7x + 38 = 5x + 3subtract 3 from both sides5 = 5xdivide both sides by 51 = x.
What is 7x plus 2x equals 8x - 3?
X = -3
How do you solve 5x-3 equals 11 plus 12x the solution is x equals?
5x-3 = 11+12x 5x-12x = 11+3 -7x = 14 x = -2
