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Equations by substitution y=3x-7; 2x+4y=14

Equations by substitution y=3x-7; 2x+4y=14
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Equations by substitution
y=3x-7; 2x+4y=14

Equations by substitution y=3x-7; 2x+4y=14-example-1
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User Recession
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1 Answer

2 votes
Let's plug in y=3x-7 into 2x+4y=14
2x+4 (3x-7)=14
Distribute
2x+12x-28=14
Add
14x-28=14
Add 28 to both sides
14x=42
Divide
X=3
Y=3 (3)-7
Y=9-7
Y=2
(3,2) A the solution is (3,2)
answered
User Tiancheng Liu
by
7.6k points
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