2(9x-8)-(-5x+12+6x-15)=7x+8x-7

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Solution for 2(9x-8)-(-5x+12+6x-15)=7x+8x-7 equation:


Simplifying
2(9x + -8) + -1(-5x + 12 + 6x + -15) = 7x + 8x + -7

Reorder the terms:
2(-8 + 9x) + -1(-5x + 12 + 6x + -15) = 7x + 8x + -7
(-8 * 2 + 9x * 2) + -1(-5x + 12 + 6x + -15) = 7x + 8x + -7
(-16 + 18x) + -1(-5x + 12 + 6x + -15) = 7x + 8x + -7

Reorder the terms:
-16 + 18x + -1(12 + -15 + -5x + 6x) = 7x + 8x + -7

Combine like terms: 12 + -15 = -3
-16 + 18x + -1(-3 + -5x + 6x) = 7x + 8x + -7

Combine like terms: -5x + 6x = 1x
-16 + 18x + -1(-3 + 1x) = 7x + 8x + -7
-16 + 18x + (-3 * -1 + 1x * -1) = 7x + 8x + -7
-16 + 18x + (3 + -1x) = 7x + 8x + -7

Reorder the terms:
-16 + 3 + 18x + -1x = 7x + 8x + -7

Combine like terms: -16 + 3 = -13
-13 + 18x + -1x = 7x + 8x + -7

Combine like terms: 18x + -1x = 17x
-13 + 17x = 7x + 8x + -7

Reorder the terms:
-13 + 17x = -7 + 7x + 8x

Combine like terms: 7x + 8x = 15x
-13 + 17x = -7 + 15x

Solving
-13 + 17x = -7 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
-13 + 17x + -15x = -7 + 15x + -15x

Combine like terms: 17x + -15x = 2x
-13 + 2x = -7 + 15x + -15x

Combine like terms: 15x + -15x = 0
-13 + 2x = -7 + 0
-13 + 2x = -7

Add '13' to each side of the equation.
-13 + 13 + 2x = -7 + 13

Combine like terms: -13 + 13 = 0
0 + 2x = -7 + 13
2x = -7 + 13

Combine like terms: -7 + 13 = 6
2x = 6

Divide each side by '2'.
x = 3

Simplifying
x = 3

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