9=-2x-7x

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


Simplifying
9 = -2x + -7x

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