Pre-Algebra Examples

Solve for x 9x^22=8x
Step 1
Subtract from both sides of the equation.
Step 2
Factor out of .
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Step 2.1
Factor out of .
Step 2.2
Factor out of .
Step 2.3
Factor out of .
Step 3
If any individual factor on the left side of the equation is equal to , the entire expression will be equal to .
Step 4
Set equal to .
Step 5
Set equal to and solve for .
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Step 5.1
Set equal to .
Step 5.2
Solve for .
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Step 5.2.1
Add to both sides of the equation.
Step 5.2.2
Divide each term in by and simplify.
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Step 5.2.2.1
Divide each term in by .
Step 5.2.2.2
Simplify the left side.
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Step 5.2.2.2.1
Cancel the common factor of .
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Step 5.2.2.2.1.1
Cancel the common factor.
Step 5.2.2.2.1.2
Divide by .
Step 5.2.3
Take the specified root of both sides of the equation to eliminate the exponent on the left side.
Step 5.2.4
Simplify .
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Step 5.2.4.1
Rewrite as .
Step 5.2.4.2
Simplify the numerator.
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Step 5.2.4.2.1
Rewrite as .
Step 5.2.4.2.2
Rewrite as .
Step 5.2.4.2.3
Pull terms out from under the radical, assuming real numbers.
Step 6
The final solution is all the values that make true.
Step 7
The result can be shown in multiple forms.
Exact Form:
Decimal Form: