-123=7-10x

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Solution for -123=7-10x equation:


Simplifying
-123 = 7 + -10x

Solving
-123 = 7 + -10x

Solving for variable 'x'.

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

Add '10x' to each side of the equation.
-123 + 10x = 7 + -10x + 10x

Combine like terms: -10x + 10x = 0
-123 + 10x = 7 + 0
-123 + 10x = 7

Add '123' to each side of the equation.
-123 + 123 + 10x = 7 + 123

Combine like terms: -123 + 123 = 0
0 + 10x = 7 + 123
10x = 7 + 123

Combine like terms: 7 + 123 = 130
10x = 130

Divide each side by '10'.
x = 13

Simplifying
x = 13

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