Algebra Examples

Solve for x 9(x-9)=-11
9(x-9)=-11
Step 1
Divide each term in 9(x-9)=-11 by 9 and simplify.
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Step 1.1
Divide each term in 9(x-9)=-11 by 9.
9(x-9)9=-119
Step 1.2
Simplify the left side.
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Step 1.2.1
Cancel the common factor of 9.
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Step 1.2.1.1
Cancel the common factor.
9(x-9)9=-119
Step 1.2.1.2
Divide x-9 by 1.
x-9=-119
x-9=-119
x-9=-119
Step 1.3
Simplify the right side.
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Step 1.3.1
Move the negative in front of the fraction.
x-9=-119
x-9=-119
x-9=-119
Step 2
Move all terms not containing x to the right side of the equation.
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Step 2.1
Add 9 to both sides of the equation.
x=-119+9
Step 2.2
To write 9 as a fraction with a common denominator, multiply by 99.
x=-119+999
Step 2.3
Combine 9 and 99.
x=-119+999
Step 2.4
Combine the numerators over the common denominator.
x=-11+999
Step 2.5
Simplify the numerator.
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Step 2.5.1
Multiply 9 by 9.
x=-11+819
Step 2.5.2
Add -11 and 81.
x=709
x=709
x=709
Step 3
The result can be shown in multiple forms.
Exact Form:
x=709
Decimal Form:
x=7.7
Mixed Number Form:
x=779
9(x-9)=-11
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