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

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


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

Reorder the terms:
7(-5 + x) + 12 = 8(x + -2) + -9
(-5 * 7 + x * 7) + 12 = 8(x + -2) + -9
(-35 + 7x) + 12 = 8(x + -2) + -9

Reorder the terms:
-35 + 12 + 7x = 8(x + -2) + -9

Combine like terms: -35 + 12 = -23
-23 + 7x = 8(x + -2) + -9

Reorder the terms:
-23 + 7x = 8(-2 + x) + -9
-23 + 7x = (-2 * 8 + x * 8) + -9
-23 + 7x = (-16 + 8x) + -9

Reorder the terms:
-23 + 7x = -16 + -9 + 8x

Combine like terms: -16 + -9 = -25
-23 + 7x = -25 + 8x

Solving
-23 + 7x = -25 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-23 + 7x + -8x = -25 + 8x + -8x

Combine like terms: 7x + -8x = -1x
-23 + -1x = -25 + 8x + -8x

Combine like terms: 8x + -8x = 0
-23 + -1x = -25 + 0
-23 + -1x = -25

Add '23' to each side of the equation.
-23 + 23 + -1x = -25 + 23

Combine like terms: -23 + 23 = 0
0 + -1x = -25 + 23
-1x = -25 + 23

Combine like terms: -25 + 23 = -2
-1x = -2

Divide each side by '-1'.
x = 2

Simplifying
x = 2

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