5x+3-8x=12

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Solution for 5x+3-8x=12 equation: 


Simplifying
5x + 3 + -8x = 12

Reorder the terms:
3 + 5x + -8x = 12

Combine like terms: 5x + -8x = -3x
3 + -3x = 12

Solving
3 + -3x = 12

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + -3x = 12 + -3

Combine like terms: 3 + -3 = 0
0 + -3x = 12 + -3
-3x = 12 + -3

Combine like terms: 12 + -3 = 9
-3x = 9

Divide each side by '-3'.
x = -3

Simplifying
x = -3

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