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what is the solution of 3x+2y=22 , 3x-2y=2

Sagot :

nightshade500
3x+2y=22
3x-2y=2
we add these to equations together
6x=24
x=4
then we plug in x to find y
3*4+2y=22
12+2y=22
2y=10
y=5
solution is (4,5) (x=4 and y=5)
it is 6x+4y=20...I THINK!!!
hope i helped
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