-123-x=-7x+57

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Solution for -123-x=-7x+57 equation:


Simplifying
-123 + -1x = -7x + 57

Reorder the terms:
-123 + -1x = 57 + -7x

Solving
-123 + -1x = 57 + -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.
-123 + -1x + 7x = 57 + -7x + 7x

Combine like terms: -1x + 7x = 6x
-123 + 6x = 57 + -7x + 7x

Combine like terms: -7x + 7x = 0
-123 + 6x = 57 + 0
-123 + 6x = 57

Add '123' to each side of the equation.
-123 + 123 + 6x = 57 + 123

Combine like terms: -123 + 123 = 0
0 + 6x = 57 + 123
6x = 57 + 123

Combine like terms: 57 + 123 = 180
6x = 180

Divide each side by '6'.
x = 30

Simplifying
x = 30

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