9x-90=4x+55

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Solution for 9x-90=4x+55 equation:


Simplifying
9x + -90 = 4x + 55

Reorder the terms:
-90 + 9x = 4x + 55

Reorder the terms:
-90 + 9x = 55 + 4x

Solving
-90 + 9x = 55 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-90 + 9x + -4x = 55 + 4x + -4x

Combine like terms: 9x + -4x = 5x
-90 + 5x = 55 + 4x + -4x

Combine like terms: 4x + -4x = 0
-90 + 5x = 55 + 0
-90 + 5x = 55

Add '90' to each side of the equation.
-90 + 90 + 5x = 55 + 90

Combine like terms: -90 + 90 = 0
0 + 5x = 55 + 90
5x = 55 + 90

Combine like terms: 55 + 90 = 145
5x = 145

Divide each side by '5'.
x = 29

Simplifying
x = 29

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