75-x=-135-8x

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Solution for 75-x=-135-8x equation:


Simplifying
75 + -1x = -135 + -8x

Solving
75 + -1x = -135 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
75 + -1x + 8x = -135 + -8x + 8x

Combine like terms: -1x + 8x = 7x
75 + 7x = -135 + -8x + 8x

Combine like terms: -8x + 8x = 0
75 + 7x = -135 + 0
75 + 7x = -135

Add '-75' to each side of the equation.
75 + -75 + 7x = -135 + -75

Combine like terms: 75 + -75 = 0
0 + 7x = -135 + -75
7x = -135 + -75

Combine like terms: -135 + -75 = -210
7x = -210

Divide each side by '7'.
x = -30

Simplifying
x = -30

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