Basic Math Examples

Solve for d A=a+(n-1)d
Step 1
Rewrite the equation as .
Step 2
Simplify each term.
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Step 2.1
Apply the distributive property.
Step 2.2
Rewrite as .
Step 3
Subtract from both sides of the equation.
Step 4
Factor out of .
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Step 4.1
Factor out of .
Step 4.2
Factor out of .
Step 4.3
Factor out of .
Step 5
Divide each term in by and simplify.
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Step 5.1
Divide each term in by .
Step 5.2
Simplify the left side.
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Step 5.2.1
Cancel the common factor of .
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Step 5.2.1.1
Cancel the common factor.
Step 5.2.1.2
Divide by .
Step 5.3
Simplify the right side.
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Step 5.3.1
Move the negative in front of the fraction.
Step 5.3.2
Combine the numerators over the common denominator.