-9=-7x-2x

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Solution for -9=-7x-2x equation:


Simplifying
-9 = -7x + -2x

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

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

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

Add '9' to each side of the equation.
-9 + 9 + 9x = 0 + 9

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

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

Divide each side by '9'.
x = 1

Simplifying
x = 1

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