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Pre-Algebra Examples
Step 1
Step 1.1
Rewrite.
Step 1.2
Simplify by adding zeros.
Step 1.3
Apply the distributive property.
Step 1.4
Combine and .
Step 1.5
Combine and .
Step 1.6
Move the negative in front of the fraction.
Step 2
Step 2.1
Apply the distributive property.
Step 2.2
Multiply .
Step 2.2.1
Combine and .
Step 2.2.2
Combine and .
Step 2.3
Combine and .
Step 2.4
Move the negative in front of the fraction.
Step 3
Step 3.1
Subtract from both sides of the inequality.
Step 3.2
To write as a fraction with a common denominator, multiply by .
Step 3.3
To write as a fraction with a common denominator, multiply by .
Step 3.4
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
Step 3.4.1
Multiply by .
Step 3.4.2
Multiply by .
Step 3.4.3
Multiply by .
Step 3.4.4
Multiply by .
Step 3.5
Combine the numerators over the common denominator.
Step 3.6
Simplify each term.
Step 3.6.1
Simplify the numerator.
Step 3.6.1.1
Factor out of .
Step 3.6.1.1.1
Factor out of .
Step 3.6.1.1.2
Factor out of .
Step 3.6.1.1.3
Factor out of .
Step 3.6.1.2
Multiply by .
Step 3.6.1.3
Subtract from .
Step 3.6.2
Move to the left of .
Step 3.6.3
Move the negative in front of the fraction.
Step 4
Step 4.1
Add to both sides of the inequality.
Step 4.2
To write as a fraction with a common denominator, multiply by .
Step 4.3
To write as a fraction with a common denominator, multiply by .
Step 4.4
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
Step 4.4.1
Multiply by .
Step 4.4.2
Multiply by .
Step 4.4.3
Multiply by .
Step 4.4.4
Multiply by .
Step 4.5
Combine the numerators over the common denominator.
Step 4.6
Simplify the numerator.
Step 4.6.1
Multiply by .
Step 4.6.2
Add and .
Step 5
Since the expression on each side of the equation has the same denominator, the numerators must be equal.
Step 6
Step 6.1
Divide each term in by . When multiplying or dividing both sides of an inequality by a negative value, flip the direction of the inequality sign.
Step 6.2
Simplify the left side.
Step 6.2.1
Dividing two negative values results in a positive value.
Step 6.2.2
Divide by .
Step 6.3
Simplify the right side.
Step 6.3.1
Divide by .
Step 7
The result can be shown in multiple forms.
Inequality Form:
Interval Notation: