(8x-7)+(12x+57)=180

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Solution for (8x-7)+(12x+57)=180 equation:


Simplifying
(8x + -7) + (12x + 57) = 180

Reorder the terms:
(-7 + 8x) + (12x + 57) = 180

Remove parenthesis around (-7 + 8x)
-7 + 8x + (12x + 57) = 180

Reorder the terms:
-7 + 8x + (57 + 12x) = 180

Remove parenthesis around (57 + 12x)
-7 + 8x + 57 + 12x = 180

Reorder the terms:
-7 + 57 + 8x + 12x = 180

Combine like terms: -7 + 57 = 50
50 + 8x + 12x = 180

Combine like terms: 8x + 12x = 20x
50 + 20x = 180

Solving
50 + 20x = 180

Solving for variable 'x'.

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

Add '-50' to each side of the equation.
50 + -50 + 20x = 180 + -50

Combine like terms: 50 + -50 = 0
0 + 20x = 180 + -50
20x = 180 + -50

Combine like terms: 180 + -50 = 130
20x = 130

Divide each side by '20'.
x = 6.5

Simplifying
x = 6.5

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