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forsale
[732]
3 years ago
14
Solve for y in the equation 4y+15=-5y+9 a)-6 b) -2/3 c)2/3 d)6
Mathematics
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answers:
jenyasd209
[6]
3 years ago
7
0
Your goal is to isolate y
To begin isolating y, perform the opposite operation by subtracting 15 on both sides of the equation
4y = -5y - 6
Perform the opposite operation by adding 5y on both sides of the equation
9y = -6
Perform the opposite operation by dividing both sides of the equation by 9
y=
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galina1969
[7]
3 years ago
3
0
First off, you need to have your ys on the same side. Here's how to do it:
4y + 15 = -5y + 9
4y + 5y = 9 - 15 (once a number goes to the other side, it changes its sign)
9y = -6
y = -6/9
y = -2/3
The correct answer is
B. -2/3
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