-123-2x=-9x+87

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Solution for -123-2x=-9x+87 equation:


Simplifying
-123 + -2x = -9x + 87

Reorder the terms:
-123 + -2x = 87 + -9x

Solving
-123 + -2x = 87 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
-123 + -2x + 9x = 87 + -9x + 9x

Combine like terms: -2x + 9x = 7x
-123 + 7x = 87 + -9x + 9x

Combine like terms: -9x + 9x = 0
-123 + 7x = 87 + 0
-123 + 7x = 87

Add '123' to each side of the equation.
-123 + 123 + 7x = 87 + 123

Combine like terms: -123 + 123 = 0
0 + 7x = 87 + 123
7x = 87 + 123

Combine like terms: 87 + 123 = 210
7x = 210

Divide each side by '7'.
x = 30

Simplifying
x = 30

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