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Lacey Bauer
Mathematics
21 August, 05:16
30
Solve by elimination:
2x - 3y = - 6
-2x - 2y = 26,
+1
Answers (
1
)
Reilly Benjamin
21 August, 05:44
0
x=-9, y=-4
Step-by-step explanation:
2x-3y=-6 ... (1)
-2x-2y=26 ... (2)
To solve we will have to eliminate one of the given variables, the variable to be eliminated is x
And it can be done by adding up (1) and (2)
It gives
-5y=20
Divide both sides by-5
y=-4
Then substitute the value of y into (1)
2x-3 (-4) = -6
2x+12=-6
Substrate 12 from both sides
2x=-18
Divide both sides by 2
x=-9
Therefore x gives - 9 and y gives-4
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