7x+3x=9x-9

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Solution for 7x+3x=9x-9 equation:


Simplifying
7x + 3x = 9x + -9

Combine like terms: 7x + 3x = 10x
10x = 9x + -9

Reorder the terms:
10x = -9 + 9x

Solving
10x = -9 + 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.
10x + -9x = -9 + 9x + -9x

Combine like terms: 10x + -9x = 1x
1x = -9 + 9x + -9x

Combine like terms: 9x + -9x = 0
1x = -9 + 0
1x = -9

Divide each side by '1'.
x = -9

Simplifying
x = -9

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