Basic Math Examples

Solve for n 21=(n(-1))/2
Step 1
Rewrite the equation as .
Step 2
Multiply both sides of the equation by .
Step 3
Simplify both sides of the equation.
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Step 3.1
Simplify the left side.
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Step 3.1.1
Simplify .
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Step 3.1.1.1
Cancel the common factor of .
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Step 3.1.1.1.1
Cancel the common factor.
Step 3.1.1.1.2
Rewrite the expression.
Step 3.1.1.2
Combine and .
Step 3.1.1.3
Combine and .
Step 3.1.1.4
Simplify the expression.
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Step 3.1.1.4.1
Move the negative one from the denominator of .
Step 3.1.1.4.2
Rewrite as .
Step 3.1.1.4.3
Move to the left of .
Step 3.1.1.4.4
Rewrite as .
Step 3.1.1.5
Multiply .
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Step 3.1.1.5.1
Multiply by .
Step 3.1.1.5.2
Multiply by .
Step 3.2
Simplify the right side.
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Step 3.2.1
Simplify .
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Step 3.2.1.1
Divide by .
Step 3.2.1.2
Multiply by .