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What is the solution to this system of equations? Negative 3 x + 5 y = negative 2. 3 x + 7 y = 26. NEED FAST TAKING UNIT TEST 40 points

2 Answers

4 votes

Answer:

Explanation:

-3 x + 5 y = - 2 ...(1)

3 x + 7 y = 26....(2)

(1)+(2) : 12y =24

y=24/12=2

put this value in (1) or (2) : 3x +7(2) = 26

3x=26-14

3x = 12

x=12/3=4

User Sierra Alpha
by
8.3k points
6 votes

3x + 5y = -2

3x + 7y = 26

Subtract first equation from second

2y = 28

y = 14

Plug it in

x = -24

User Roy Shmuli
by
7.3k points