13x-7=123

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Solution for 13x-7=123 equation: 


Simplifying
13x + -7 = 123

Reorder the terms:
-7 + 13x = 123

Solving
-7 + 13x = 123

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 13x = 123 + 7

Combine like terms: -7 + 7 = 0
0 + 13x = 123 + 7
13x = 123 + 7

Combine like terms: 123 + 7 = 130
13x = 130

Divide each side by '13'.
x = 10

Simplifying
x = 10

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