125+13x=21

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Solution for 125+13x=21 equation: 


Simplifying
125 + 13x = 21

Solving
125 + 13x = 21

Solving for variable 'x'.

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

Add '-125' to each side of the equation.
125 + -125 + 13x = 21 + -125

Combine like terms: 125 + -125 = 0
0 + 13x = 21 + -125
13x = 21 + -125

Combine like terms: 21 + -125 = -104
13x = -104

Divide each side by '13'.
x = -8

Simplifying
x = -8

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