Math
SOlve 2x + 4y = 26 and 4x + 4y = 20
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Asked by
AnneS2
Last updated by
anonymous
4x + 4y = 20
4x + 4y-4x = 20-4x
4y= 20-4x
4y/4= 20/4-4x/4
y=4-x
2x + 4y = 26
2x + 4(4-x) = 26
2x + 4(4) (4)(-x) = 26
2x+16-4x=26
16-2x=26
16-2x-16=26-16
-2x=10
-2x/-2=10/-2
x=-5