Pre-Algebra Examples

Solve for y -3/7y=12
Step 1
Multiply both sides of the equation by .
Step 2
Simplify both sides of the equation.
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Step 2.1
Simplify the left side.
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Step 2.1.1
Simplify .
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Step 2.1.1.1
Combine and .
Step 2.1.1.2
Cancel the common factor of .
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Step 2.1.1.2.1
Move the leading negative in into the numerator.
Step 2.1.1.2.2
Move the leading negative in into the numerator.
Step 2.1.1.2.3
Factor out of .
Step 2.1.1.2.4
Cancel the common factor.
Step 2.1.1.2.5
Rewrite the expression.
Step 2.1.1.3
Cancel the common factor of .
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Step 2.1.1.3.1
Factor out of .
Step 2.1.1.3.2
Cancel the common factor.
Step 2.1.1.3.3
Rewrite the expression.
Step 2.1.1.4
Multiply.
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Step 2.1.1.4.1
Multiply by .
Step 2.1.1.4.2
Multiply by .
Step 2.2
Simplify the right side.
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Step 2.2.1
Simplify .
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Step 2.2.1.1
Cancel the common factor of .
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Step 2.2.1.1.1
Move the leading negative in into the numerator.
Step 2.2.1.1.2
Factor out of .
Step 2.2.1.1.3
Cancel the common factor.
Step 2.2.1.1.4
Rewrite the expression.
Step 2.2.1.2
Multiply by .