-123+7x=84-2x

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Solution for -123+7x=84-2x equation:


Simplifying
-123 + 7x = 84 + -2x

Solving
-123 + 7x = 84 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
-123 + 7x + 2x = 84 + -2x + 2x

Combine like terms: 7x + 2x = 9x
-123 + 9x = 84 + -2x + 2x

Combine like terms: -2x + 2x = 0
-123 + 9x = 84 + 0
-123 + 9x = 84

Add '123' to each side of the equation.
-123 + 123 + 9x = 84 + 123

Combine like terms: -123 + 123 = 0
0 + 9x = 84 + 123
9x = 84 + 123

Combine like terms: 84 + 123 = 207
9x = 207

Divide each side by '9'.
x = 23

Simplifying
x = 23

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