Pre-Algebra Examples

Graph 4y>2x+12
Step 1
Write in form.
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Step 1.1
Divide each term in by and simplify.
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Step 1.1.1
Divide each term in by .
Step 1.1.2
Simplify the left side.
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Step 1.1.2.1
Cancel the common factor of .
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Step 1.1.2.1.1
Cancel the common factor.
Step 1.1.2.1.2
Divide by .
Step 1.1.3
Simplify the right side.
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Step 1.1.3.1
Simplify each term.
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Step 1.1.3.1.1
Cancel the common factor of and .
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Step 1.1.3.1.1.1
Factor out of .
Step 1.1.3.1.1.2
Cancel the common factors.
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Step 1.1.3.1.1.2.1
Factor out of .
Step 1.1.3.1.1.2.2
Cancel the common factor.
Step 1.1.3.1.1.2.3
Rewrite the expression.
Step 1.1.3.1.2
Divide by .
Step 1.2
Reorder terms.
Step 2
Use the slope-intercept form to find the slope and y-intercept.
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Step 2.1
Find the values of and using the form .
Step 2.2
The slope of the line is the value of , and the y-intercept is the value of .
Slope:
y-intercept:
Slope:
y-intercept:
Step 3
Graph a dashed line, then shade the area above the boundary line since is greater than .
Step 4