12x-7-8x=5

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Solution for 12x-7-8x=5 equation: 


Simplifying
12x + -7 + -8x = 5

Reorder the terms:
-7 + 12x + -8x = 5

Combine like terms: 12x + -8x = 4x
-7 + 4x = 5

Solving
-7 + 4x = 5

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 4x = 5 + 7

Combine like terms: -7 + 7 = 0
0 + 4x = 5 + 7
4x = 5 + 7

Combine like terms: 5 + 7 = 12
4x = 12

Divide each side by '4'.
x = 3

Simplifying
x = 3

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