30+7x=9x

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Solution for 30+7x=9x equation:


Simplifying
30 + 7x = 9x

Solving
30 + 7x = 9x

Solving for variable 'x'.

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

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

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

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

Add '-30' to each side of the equation.
30 + -30 + -2x = 0 + -30

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

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

Divide each side by '-2'.
x = 15

Simplifying
x = 15

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