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:
3x + 5y = -2
3x + 7y = 26
Subtract first equation from second
2y = 28
y = 14
Plug it in
x = -24
Answer:
Step-by-step 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
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