7x-4y=20 for y when x=3

2 answers:

6 0

I think it is y=-.25
7*3 - 4y = 20
21 - 4y = 20
subtract 21 from each side
- 4y = - 1
divide each side by - 4
y= -.25

5 0

the answer to <span>7x-4y=20 for y when x=3 is y = 25 i think </span>

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