Solve by Substitution -2x=27-5y , 4y=20+2x

Math
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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 .
Simplify each term.
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Move the negative in front of the fraction.
Dividing two negative values results in a positive value.
Replace all occurrences of with in each equation.
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Replace all occurrences of in with .
Simplify .
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Simplify each term.
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Apply the distributive property.
Cancel the common factor of .
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Move the leading negative in into the numerator.
Cancel the common factor.
Rewrite the expression.
Cancel the common factor of .
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Cancel the common factor.
Rewrite the expression.
Subtract from .
Solve for in the first equation.
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Move all terms containing to the left side of the equation.
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Subtract from both sides of the equation.
Subtract from .
Multiply each term in by
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Multiply each term in by .
Multiply .
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Multiply by .
Multiply by .
Multiply by .
Replace all occurrences of with in each equation.
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Replace all occurrences of in with .
Simplify .
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Combine the numerators over the common denominator.
Simplify the expression.
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Multiply by .
Add and .
Divide by .
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 -2x=27-5y , 4y=20+2x
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