15x-138=-8x

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Solution for 15x-138=-8x equation:


Simplifying
15x + -138 = -8x

Reorder the terms:
-138 + 15x = -8x

Solving
-138 + 15x = -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.
-138 + 15x + 8x = -8x + 8x

Combine like terms: 15x + 8x = 23x
-138 + 23x = -8x + 8x

Combine like terms: -8x + 8x = 0
-138 + 23x = 0

Add '138' to each side of the equation.
-138 + 138 + 23x = 0 + 138

Combine like terms: -138 + 138 = 0
0 + 23x = 0 + 138
23x = 0 + 138

Combine like terms: 0 + 138 = 138
23x = 138

Divide each side by '23'.
x = 6

Simplifying
x = 6

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