Pre-Algebra Examples

Write in Slope-Intercept Form 15=-3y+21x
Step 1
The slope-intercept form is , where is the slope and is the y-intercept.
Step 2
Rewrite in slope-intercept form.
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Step 2.1
Rewrite the equation as .
Step 2.2
Subtract from both sides of the equation.
Step 2.3
Divide each term in by and simplify.
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Step 2.3.1
Divide each term in by .
Step 2.3.2
Simplify the left side.
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Step 2.3.2.1
Cancel the common factor of .
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Step 2.3.2.1.1
Cancel the common factor.
Step 2.3.2.1.2
Divide by .
Step 2.3.3
Simplify the right side.
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Step 2.3.3.1
Simplify each term.
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Step 2.3.3.1.1
Divide by .
Step 2.3.3.1.2
Cancel the common factor of and .
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Step 2.3.3.1.2.1
Factor out of .
Step 2.3.3.1.2.2
Cancel the common factors.
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Step 2.3.3.1.2.2.1
Factor out of .
Step 2.3.3.1.2.2.2
Cancel the common factor.
Step 2.3.3.1.2.2.3
Rewrite the expression.
Step 2.3.3.1.2.2.4
Divide by .
Step 2.4
Reorder and .