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Substitution 3x-y=4 x=4y+17
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Substitution
3x-y=4
x=4y+17

User Greg Belyea
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2 Answers

5 votes
The answer to this equation is -1/11 , -47/11. Solve for the first variable in one of the equations, then substitute the result into the other equation.
User Tim Menzies
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8.2k points
4 votes
3(4y+17)-y=4
12y+51-y=4
11y+51=4
11y=-47
y=-47/11

x=4(-47/11)+17
x=-188/11+17
x=-1/11

hope this helps!
User Djq
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8.6k points
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