5(x+9)+2(-x+9)=-12

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Solution for 5(x+9)+2(-x+9)=-12 equation:


Simplifying
5(x + 9) + 2(-1x + 9) = -12

Reorder the terms:
5(9 + x) + 2(-1x + 9) = -12
(9 * 5 + x * 5) + 2(-1x + 9) = -12
(45 + 5x) + 2(-1x + 9) = -12

Reorder the terms:
45 + 5x + 2(9 + -1x) = -12
45 + 5x + (9 * 2 + -1x * 2) = -12
45 + 5x + (18 + -2x) = -12

Reorder the terms:
45 + 18 + 5x + -2x = -12

Combine like terms: 45 + 18 = 63
63 + 5x + -2x = -12

Combine like terms: 5x + -2x = 3x
63 + 3x = -12

Solving
63 + 3x = -12

Solving for variable 'x'.

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

Add '-63' to each side of the equation.
63 + -63 + 3x = -12 + -63

Combine like terms: 63 + -63 = 0
0 + 3x = -12 + -63
3x = -12 + -63

Combine like terms: -12 + -63 = -75
3x = -75

Divide each side by '3'.
x = -25

Simplifying
x = -25

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