12-7x=116+21

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Solution for 12-7x=116+21 equation:


Simplifying
12 + -7x = 116 + 21

Combine like terms: 116 + 21 = 137
12 + -7x = 137

Solving
12 + -7x = 137

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -7x = 137 + -12

Combine like terms: 12 + -12 = 0
0 + -7x = 137 + -12
-7x = 137 + -12

Combine like terms: 137 + -12 = 125
-7x = 125

Divide each side by '-7'.
x = -17.85714286

Simplifying
x = -17.85714286

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