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In the below system, solve for y in the first equation.

x – 3y = –6
2x – 7y = 10

one thirdx + 2

negative one thirdx + 6

–x + 2

negative one thirdx + 2

2 Answers

7 votes
the answer is y=1/3x+2
User Pinkey
by
5.6k points
2 votes
First, leave y on the left and brig x on the right:
-3y = - x - 6

Then change all the signs:
3y = x + 6

Then divide by 3:

y = (x+6)/3

which can be written as:
y = +1/3 x + 2

The correct answer is A).


User VitalyP
by
6.0k points