-45-4x=5x+90

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Solution for -45-4x=5x+90 equation:


Simplifying
-45 + -4x = 5x + 90

Reorder the terms:
-45 + -4x = 90 + 5x

Solving
-45 + -4x = 90 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-45 + -4x + -5x = 90 + 5x + -5x

Combine like terms: -4x + -5x = -9x
-45 + -9x = 90 + 5x + -5x

Combine like terms: 5x + -5x = 0
-45 + -9x = 90 + 0
-45 + -9x = 90

Add '45' to each side of the equation.
-45 + 45 + -9x = 90 + 45

Combine like terms: -45 + 45 = 0
0 + -9x = 90 + 45
-9x = 90 + 45

Combine like terms: 90 + 45 = 135
-9x = 135

Divide each side by '-9'.
x = -15

Simplifying
x = -15

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