-x-4=x+90

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Solution for -x-4=x+90 equation:


Simplifying
-1x + -4 = x + 90

Reorder the terms:
-4 + -1x = x + 90

Reorder the terms:
-4 + -1x = 90 + x

Solving
-4 + -1x = 90 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-4 + -1x + -1x = 90 + x + -1x

Combine like terms: -1x + -1x = -2x
-4 + -2x = 90 + x + -1x

Combine like terms: x + -1x = 0
-4 + -2x = 90 + 0
-4 + -2x = 90

Add '4' to each side of the equation.
-4 + 4 + -2x = 90 + 4

Combine like terms: -4 + 4 = 0
0 + -2x = 90 + 4
-2x = 90 + 4

Combine like terms: 90 + 4 = 94
-2x = 94

Divide each side by '-2'.
x = -47

Simplifying
x = -47

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