Rewrite the equation as .

Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Divide by .

Subtract from both sides of the equation.

Subtract from .

Solve for x -243=-9(10+x)

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# Solve for x -243=-9(10+x)

Rewrite the equation as .

Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Divide by .

Subtract from both sides of the equation.

Subtract from .

Solve for x -243=-9(10+x)