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5 votes
Can someone help me do this ?how do i solve for Y

Can someone help me do this ?how do i solve for Y-example-1
User Bdfy
by
7.2k points

1 Answer

2 votes
7x+5y=20
move y by itself

7x+5y=20
minus 7x from both sides
7x-7x+5y=20-7x
0+5y=20-7x
5y=20-7x
divide both sides by 5
5y/5=(20-7x)/5
y=(20-7x)/5
y=(20/5)+(-7x/5)

y=4- (7x)/(5)

User AndMarkus
by
7.5k points
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