12+-8x=15

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Solution for 12+-8x=15 equation: 


Simplifying
12 + -8x = 15

Solving
12 + -8x = 15

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -8x = 15 + -12

Combine like terms: 12 + -12 = 0
0 + -8x = 15 + -12
-8x = 15 + -12

Combine like terms: 15 + -12 = 3
-8x = 3

Divide each side by '-8'.
x = -0.375

Simplifying
x = -0.375

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