ConnectionsAcademy02 ConnectionsAcademy02

10-02-2017
Mathematics

Answered

5.Solve the system using substitution.

y-2x=3

3x-2y=5

A.(-1/2,2)

B.(2,7)

C.(-8,-13)

D.(-11,-19)

Verified Answer :

abroderick2020 abroderick2020

10-02-2017

y-2x=3
3x-2y=5

y=3+2x
3x-2y=5

3x-2(3+2x)=5

3x-6-6x=5

3x-6x=11

-3x=11

x=-3.6

y=3+2(-3.6)

y=3-7.2

y=-4.2

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