9x-30=4x+90

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Solution for 9x-30=4x+90 equation:


Simplifying
9x + -30 = 4x + 90

Reorder the terms:
-30 + 9x = 4x + 90

Reorder the terms:
-30 + 9x = 90 + 4x

Solving
-30 + 9x = 90 + 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.
-30 + 9x + -4x = 90 + 4x + -4x

Combine like terms: 9x + -4x = 5x
-30 + 5x = 90 + 4x + -4x

Combine like terms: 4x + -4x = 0
-30 + 5x = 90 + 0
-30 + 5x = 90

Add '30' to each side of the equation.
-30 + 30 + 5x = 90 + 30

Combine like terms: -30 + 30 = 0
0 + 5x = 90 + 30
5x = 90 + 30

Combine like terms: 90 + 30 = 120
5x = 120

Divide each side by '5'.
x = 24

Simplifying
x = 24

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