-99+3x=31-7x

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Solution for -99+3x=31-7x equation:


Simplifying
-99 + 3x = 31 + -7x

Solving
-99 + 3x = 31 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-99 + 3x + 7x = 31 + -7x + 7x

Combine like terms: 3x + 7x = 10x
-99 + 10x = 31 + -7x + 7x

Combine like terms: -7x + 7x = 0
-99 + 10x = 31 + 0
-99 + 10x = 31

Add '99' to each side of the equation.
-99 + 99 + 10x = 31 + 99

Combine like terms: -99 + 99 = 0
0 + 10x = 31 + 99
10x = 31 + 99

Combine like terms: 31 + 99 = 130
10x = 130

Divide each side by '10'.
x = 13

Simplifying
x = 13

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