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4 votes
Use addition or substitution to find the value of y for this set of equations. 2x - 3y = -15

x = 4y what is the value of y

User Kareema
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1 Answer

4 votes
Substitute 4y for x.

2(4y)-3y=-15

8y-3y=-15

5y=-15

Dividing by 5, we see that y=-3.
User Mahmoud Youssef
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