5x-7(2x-3)+15=4(5x-8)-9x-12

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Solution for 5x-7(2x-3)+15=4(5x-8)-9x-12 equation:


Simplifying
5x + -7(2x + -3) + 15 = 4(5x + -8) + -9x + -12

Reorder the terms:
5x + -7(-3 + 2x) + 15 = 4(5x + -8) + -9x + -12
5x + (-3 * -7 + 2x * -7) + 15 = 4(5x + -8) + -9x + -12
5x + (21 + -14x) + 15 = 4(5x + -8) + -9x + -12

Reorder the terms:
21 + 15 + 5x + -14x = 4(5x + -8) + -9x + -12

Combine like terms: 21 + 15 = 36
36 + 5x + -14x = 4(5x + -8) + -9x + -12

Combine like terms: 5x + -14x = -9x
36 + -9x = 4(5x + -8) + -9x + -12

Reorder the terms:
36 + -9x = 4(-8 + 5x) + -9x + -12
36 + -9x = (-8 * 4 + 5x * 4) + -9x + -12
36 + -9x = (-32 + 20x) + -9x + -12

Reorder the terms:
36 + -9x = -32 + -12 + 20x + -9x

Combine like terms: -32 + -12 = -44
36 + -9x = -44 + 20x + -9x

Combine like terms: 20x + -9x = 11x
36 + -9x = -44 + 11x

Solving
36 + -9x = -44 + 11x

Solving for variable 'x'.

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

Add '-11x' to each side of the equation.
36 + -9x + -11x = -44 + 11x + -11x

Combine like terms: -9x + -11x = -20x
36 + -20x = -44 + 11x + -11x

Combine like terms: 11x + -11x = 0
36 + -20x = -44 + 0
36 + -20x = -44

Add '-36' to each side of the equation.
36 + -36 + -20x = -44 + -36

Combine like terms: 36 + -36 = 0
0 + -20x = -44 + -36
-20x = -44 + -36

Combine like terms: -44 + -36 = -80
-20x = -80

Divide each side by '-20'.
x = 4

Simplifying
x = 4

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