9(x+7)+4(6-9x)=-28(x-3)-9

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Solution for 9(x+7)+4(6-9x)=-28(x-3)-9 equation:


Simplifying
9(x + 7) + 4(6 + -9x) = -28(x + -3) + -9

Reorder the terms:
9(7 + x) + 4(6 + -9x) = -28(x + -3) + -9
(7 * 9 + x * 9) + 4(6 + -9x) = -28(x + -3) + -9
(63 + 9x) + 4(6 + -9x) = -28(x + -3) + -9
63 + 9x + (6 * 4 + -9x * 4) = -28(x + -3) + -9
63 + 9x + (24 + -36x) = -28(x + -3) + -9

Reorder the terms:
63 + 24 + 9x + -36x = -28(x + -3) + -9

Combine like terms: 63 + 24 = 87
87 + 9x + -36x = -28(x + -3) + -9

Combine like terms: 9x + -36x = -27x
87 + -27x = -28(x + -3) + -9

Reorder the terms:
87 + -27x = -28(-3 + x) + -9
87 + -27x = (-3 * -28 + x * -28) + -9
87 + -27x = (84 + -28x) + -9

Reorder the terms:
87 + -27x = 84 + -9 + -28x

Combine like terms: 84 + -9 = 75
87 + -27x = 75 + -28x

Solving
87 + -27x = 75 + -28x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '28x' to each side of the equation.
87 + -27x + 28x = 75 + -28x + 28x

Combine like terms: -27x + 28x = 1x
87 + 1x = 75 + -28x + 28x

Combine like terms: -28x + 28x = 0
87 + 1x = 75 + 0
87 + 1x = 75

Add '-87' to each side of the equation.
87 + -87 + 1x = 75 + -87

Combine like terms: 87 + -87 = 0
0 + 1x = 75 + -87
1x = 75 + -87

Combine like terms: 75 + -87 = -12
1x = -12

Divide each side by '1'.
x = -12

Simplifying
x = -12

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