Solve by Substitution y-4x=0 3x+6y=9

Math
Add to both sides of the equation.
Replace all occurrences of with in each equation.
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Replace all occurrences of in with .
Simplify .
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Multiply by .
Add and .
Divide each term by and simplify.
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Divide each term in by .
Cancel the common factor of .
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Cancel the common factor.
Divide by .
Cancel the common factor of and .
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Factor out of .
Cancel the common factors.
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Factor out of .
Cancel the common factor.
Rewrite the expression.
Replace all occurrences of with in each equation.
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Replace all occurrences of in with .
Combine and .
The solution to the system is the complete set of ordered pairs that are valid solutions.
The result can be shown in multiple forms.
Point Form:
Equation Form:
Solve by Substitution y-4x=0 3x+6y=9

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