Asked by Enoch

4x+7y=20 and 3x+y=-2
Answered by Enoch
Please help me
Answered by 😜Helper Girl😜
1 sec
Answered by 😜Helper Girl😜
{x,y}={-5,0}
Answered by 😜Helper Girl😜
your helped
Answered by PsyDAG
Method:

4x+7y=20 multiply by 3 -> 12x + 21y = 60

3x+y=-2 multiply by 4 -> 12x + 4y = -8

Subtract second equation from first -> 17y = 68 -> y = 4

Insert value of y into either equation to find x.
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