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Pre-Algebra Examples
Step 1
Step 1.1
Simplify each term.
Step 1.1.1
Apply the distributive property.
Step 1.1.2
Multiply .
Step 1.1.2.1
Combine and .
Step 1.1.2.2
Combine and .
Step 1.1.3
Cancel the common factor of .
Step 1.1.3.1
Factor out of .
Step 1.1.3.2
Cancel the common factor.
Step 1.1.3.3
Rewrite the expression.
Step 1.2
To write as a fraction with a common denominator, multiply by .
Step 1.3
Combine and .
Step 1.4
Combine the numerators over the common denominator.
Step 1.5
Simplify the numerator.
Step 1.5.1
Multiply by .
Step 1.5.2
Subtract from .
Step 1.6
Move the negative in front of the fraction.
Step 2
Combine and .
Step 3
Step 3.1
Subtract from both sides of the equation.
Step 3.2
Combine the numerators over the common denominator.
Step 3.3
Subtract from .
Step 3.4
Simplify each term.
Step 3.4.1
Cancel the common factor of and .
Step 3.4.1.1
Factor out of .
Step 3.4.1.2
Cancel the common factors.
Step 3.4.1.2.1
Factor out of .
Step 3.4.1.2.2
Cancel the common factor.
Step 3.4.1.2.3
Rewrite the expression.
Step 3.4.2
Move the negative in front of the fraction.
Step 4
Step 4.1
Add to both sides of the equation.
Step 4.2
To write as a fraction with a common denominator, multiply by .
Step 4.3
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
Step 4.3.1
Multiply by .
Step 4.3.2
Multiply by .
Step 4.4
Combine the numerators over the common denominator.
Step 4.5
Simplify the numerator.
Step 4.5.1
Multiply by .
Step 4.5.2
Add and .
Step 4.6
Cancel the common factor of and .
Step 4.6.1
Factor out of .
Step 4.6.2
Cancel the common factors.
Step 4.6.2.1
Factor out of .
Step 4.6.2.2
Cancel the common factor.
Step 4.6.2.3
Rewrite the expression.
Step 5
Since the expression on each side of the equation has the same denominator, the numerators must be equal.