9x+9=2x+30

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Solution for 9x+9=2x+30 equation: 


Simplifying
9x + 9 = 2x + 30

Reorder the terms:
9 + 9x = 2x + 30

Reorder the terms:
9 + 9x = 30 + 2x

Solving
9 + 9x = 30 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
9 + 9x + -2x = 30 + 2x + -2x

Combine like terms: 9x + -2x = 7x
9 + 7x = 30 + 2x + -2x

Combine like terms: 2x + -2x = 0
9 + 7x = 30 + 0
9 + 7x = 30

Add '-9' to each side of the equation.
9 + -9 + 7x = 30 + -9

Combine like terms: 9 + -9 = 0
0 + 7x = 30 + -9
7x = 30 + -9

Combine like terms: 30 + -9 = 21
7x = 21

Divide each side by '7'.
x = 3

Simplifying
x = 3

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