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agasfer [191]
3 years ago
5

2) Solve the System of Equations using Substitution. (5 points) -3x+2y=12 x=2y-8

Mathematics
1 answer:
Tems11 [23]3 years ago
5 0

Answer:

x= -2 and y= 3

Step-by-step explanation:

since x = 2y -8, substitute this in the first equation

Thus, -3(2y-8) + 2y =12

-6y+24+2y=12

-6y+2y=12-24

-4y=-12

y=3

put the value of y in the second equation,

x=2y-8

x=2(3)-8

x=6-8

x=-2

So, x=-2. y=3

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