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3) x-y = 3 | 7x-y=-3
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3) x-y = 3
| 7x-y=-3

User Esmin
by
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1 Answer

3 votes

Answer:

Y=2.37

Step-by-step explanation;

Make the top equation solve for x, x=3-y

subsitute (x=3-y) into 7x-y=-3

Get 7(3-y)-y=-3

use the distributive property and get 21-7y-y=-3

Combine like terms 21-8y=-3

Subtract 21 on both sides, -8y=-19

Divide by -8 on both sides

y=2.37

User Pengin
by
6.2k points
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