10x+30=5x+90

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Solution for 10x+30=5x+90 equation:


Simplifying
10x + 30 = 5x + 90

Reorder the terms:
30 + 10x = 5x + 90

Reorder the terms:
30 + 10x = 90 + 5x

Solving
30 + 10x = 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.
30 + 10x + -5x = 90 + 5x + -5x

Combine like terms: 10x + -5x = 5x
30 + 5x = 90 + 5x + -5x

Combine like terms: 5x + -5x = 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 = 60
5x = 60

Divide each side by '5'.
x = 12

Simplifying
x = 12

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