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What is the solution to this system of equations? x-2y=15 2x + 4y= -18 OA. x= 1, y=-6 OB. x= 1, y=-7 OC. x= 3,
Question
What is the solution to this system of equations?
x-2y=15
2x + 4y= -18
OA. x= 1, y=-6
OB. x= 1, y=-7
OC. x= 3, y= -6
OD. x= 3, y=-7
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Mathematics
4 years
2021-08-11T11:17:37+00:00
2021-08-11T11:17:37+00:00 1 Answers
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Answer:
Step-by-step explanation:
X=2y+15
2(2y+15) + 4y= -18
4y +30 +4y = -18
8y +30 =-18
8y= -48
-6= y
X-(2(-6))=15
X- (-12)=15
X= 3