Pre-Algebra Examples

Solve for x 1/2*(16-x)=-12(x+7)
Step 1
Simplify .
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Step 1.1
Rewrite.
Step 1.2
Simplify by adding zeros.
Step 1.3
Apply the distributive property.
Step 1.4
Cancel the common factor of .
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Step 1.4.1
Factor out of .
Step 1.4.2
Cancel the common factor.
Step 1.4.3
Rewrite the expression.
Step 1.5
Combine and .
Step 2
Simplify .
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Step 2.1
Apply the distributive property.
Step 2.2
Multiply by .
Step 3
Move all terms containing to the left side of the equation.
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Step 3.1
Add to both sides of the equation.
Step 3.2
To write as a fraction with a common denominator, multiply by .
Step 3.3
Combine and .
Step 3.4
Combine the numerators over the common denominator.
Step 3.5
Simplify each term.
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Step 3.5.1
Simplify the numerator.
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Step 3.5.1.1
Factor out of .
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Step 3.5.1.1.1
Factor out of .
Step 3.5.1.1.2
Factor out of .
Step 3.5.1.1.3
Factor out of .
Step 3.5.1.2
Multiply by .
Step 3.5.1.3
Add and .
Step 3.5.2
Move to the left of .
Step 4
Move all terms not containing to the right side of the equation.
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Step 4.1
Subtract from both sides of the equation.
Step 4.2
Subtract from .
Step 5
Multiply both sides of the equation by .
Step 6
Simplify both sides of the equation.
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Step 6.1
Simplify the left side.
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Step 6.1.1
Simplify .
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Step 6.1.1.1
Cancel the common factor of .
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Step 6.1.1.1.1
Cancel the common factor.
Step 6.1.1.1.2
Rewrite the expression.
Step 6.1.1.2
Cancel the common factor of .
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Step 6.1.1.2.1
Factor out of .
Step 6.1.1.2.2
Cancel the common factor.
Step 6.1.1.2.3
Rewrite the expression.
Step 6.2
Simplify the right side.
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Step 6.2.1
Simplify .
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Step 6.2.1.1
Cancel the common factor of .
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Step 6.2.1.1.1
Factor out of .
Step 6.2.1.1.2
Cancel the common factor.
Step 6.2.1.1.3
Rewrite the expression.
Step 6.2.1.2
Multiply by .