3 years ago

6w + 10w - 7y = 5 x =3 and y=7

1 answer:

8 0

Add common factors
10w - 7y = 5
plug in y
10w - 7(7) = 5
10w - 49 = 5
add 49 to both sides
10w = 54
divide both sides by 10
w = 5.4

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