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Solve each system by elimination: 3x-7y=6 2x+7y=4

User Andrea Catania
by
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2 Answers

22 votes
22 votes

Answer:

(2,0)

x=2, y=0

Explanation:

(-2)3x-7y=6(-2)

(3)2x+7y=4(3)

-6x+14y=-12

6x+21y=12

-6x+14y=-12+6x+21y=12

35y=0

y=0

sub into one of the original equations

2x+7(0)=4

2x=4

x=2

User Sukunrt
by
3.2k points
21 votes
21 votes

Answer:

Your answer is
x=2 and
y = 0

Explanation:

(attached)

Solve each system by elimination: 3x-7y=6 2x+7y=4-example-1
User William Keller
by
3.0k points