3 years ago

Use substitution to solve the system 2y - 8 = x 2x + 3y = -2

Mathematics

1 answer:

devlian [24]3 years ago

7 0

Answer:

x=2y-8

We use the substitution of x in the second equation

2*(2y-8)+3y= -2

4y-16+3y=-2

7y-16= -2

7y= -2 +16

7y=14

y=14Ș7

y=2

so x= 2*2 -8

x=4-8

x=-4

the solution is (x,y)=(-4, 2)

Step-by-step explanation:

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