12x-49=5x-140

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Solution for 12x-49=5x-140 equation:


Simplifying
12x + -49 = 5x + -140

Reorder the terms:
-49 + 12x = 5x + -140

Reorder the terms:
-49 + 12x = -140 + 5x

Solving
-49 + 12x = -140 + 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.
-49 + 12x + -5x = -140 + 5x + -5x

Combine like terms: 12x + -5x = 7x
-49 + 7x = -140 + 5x + -5x

Combine like terms: 5x + -5x = 0
-49 + 7x = -140 + 0
-49 + 7x = -140

Add '49' to each side of the equation.
-49 + 49 + 7x = -140 + 49

Combine like terms: -49 + 49 = 0
0 + 7x = -140 + 49
7x = -140 + 49

Combine like terms: -140 + 49 = -91
7x = -91

Divide each side by '7'.
x = -13

Simplifying
x = -13

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