Pre-Algebra Examples

Solve by Graphing 6/z-9/(z-2)=1/7
Step 1
Simplify .
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Step 1.1
To write as a fraction with a common denominator, multiply by .
Step 1.2
To write as a fraction with a common denominator, multiply by .
Step 1.3
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
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Step 1.3.1
Multiply by .
Step 1.3.2
Multiply by .
Step 1.3.3
Reorder the factors of .
Step 1.4
Combine the numerators over the common denominator.
Step 1.5
Simplify the numerator.
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Step 1.5.1
Factor out of .
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Step 1.5.1.1
Factor out of .
Step 1.5.1.2
Factor out of .
Step 1.5.1.3
Factor out of .
Step 1.5.2
Apply the distributive property.
Step 1.5.3
Multiply by .
Step 1.5.4
Subtract from .
Step 1.6
Simplify with factoring out.
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Step 1.6.1
Factor out of .
Step 1.6.2
Rewrite as .
Step 1.6.3
Factor out of .
Step 1.6.4
Simplify the expression.
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Step 1.6.4.1
Rewrite as .
Step 1.6.4.2
Move the negative in front of the fraction.
Step 2
Graph each side of the equation. The solution is the x-value of the point of intersection.
Step 3