x-72=8x+138

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Solution for x-72=8x+138 equation:


Simplifying
x + -72 = 8x + 138

Reorder the terms:
-72 + x = 8x + 138

Reorder the terms:
-72 + x = 138 + 8x

Solving
-72 + x = 138 + 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.
-72 + x + -8x = 138 + 8x + -8x

Combine like terms: x + -8x = -7x
-72 + -7x = 138 + 8x + -8x

Combine like terms: 8x + -8x = 0
-72 + -7x = 138 + 0
-72 + -7x = 138

Add '72' to each side of the equation.
-72 + 72 + -7x = 138 + 72

Combine like terms: -72 + 72 = 0
0 + -7x = 138 + 72
-7x = 138 + 72

Combine like terms: 138 + 72 = 210
-7x = 210

Divide each side by '-7'.
x = -30

Simplifying
x = -30

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