8x+12=77-5x

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Solution for 8x+12=77-5x equation:


Simplifying
8x + 12 = 77 + -5x

Reorder the terms:
12 + 8x = 77 + -5x

Solving
12 + 8x = 77 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
12 + 8x + 5x = 77 + -5x + 5x

Combine like terms: 8x + 5x = 13x
12 + 13x = 77 + -5x + 5x

Combine like terms: -5x + 5x = 0
12 + 13x = 77 + 0
12 + 13x = 77

Add '-12' to each side of the equation.
12 + -12 + 13x = 77 + -12

Combine like terms: 12 + -12 = 0
0 + 13x = 77 + -12
13x = 77 + -12

Combine like terms: 77 + -12 = 65
13x = 65

Divide each side by '13'.
x = 5

Simplifying
x = 5

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