30x=10x+90

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Solution for 30x=10x+90 equation: 


Simplifying
30x = 10x + 90

Reorder the terms:
30x = 90 + 10x

Solving
30x = 90 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
30x + -10x = 90 + 10x + -10x

Combine like terms: 30x + -10x = 20x
20x = 90 + 10x + -10x

Combine like terms: 10x + -10x = 0
20x = 90 + 0
20x = 90

Divide each side by '20'.
x = 4.5

Simplifying
x = 4.5

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