Pre-Algebra Examples

Solve for a a=1/2*((a+b)h)
Step 1
Simplify .
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Step 1.1
Apply the distributive property.
Step 1.2
Apply the distributive property.
Step 1.3
Multiply .
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Step 1.3.1
Combine and .
Step 1.3.2
Combine and .
Step 1.4
Multiply .
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Step 1.4.1
Combine and .
Step 1.4.2
Combine and .
Step 2
Subtract from both sides of the equation.
Step 3
Factor out of .
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Step 3.1
Factor out of .
Step 3.2
Factor out of .
Step 3.3
Factor out of .
Step 4
Divide each term in by and simplify.
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Step 4.1
Divide each term in by .
Step 4.2
Simplify the left side.
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Step 4.2.1
Cancel the common factor of .
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Step 4.2.1.1
Cancel the common factor.
Step 4.2.1.2
Divide by .
Step 4.3
Simplify the right side.
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Step 4.3.1
Multiply the numerator by the reciprocal of the denominator.
Step 4.3.2
Simplify the denominator.
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Step 4.3.2.1
Write as a fraction with a common denominator.
Step 4.3.2.2
Combine the numerators over the common denominator.
Step 4.3.3
Multiply the numerator by the reciprocal of the denominator.
Step 4.3.4
Multiply by .
Step 4.3.5
Cancel the common factor of .
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Step 4.3.5.1
Cancel the common factor.
Step 4.3.5.2
Rewrite the expression.
Step 4.3.6
Combine and .
Step 4.3.7
Combine and .