bewellplus.gsu.edu
Anonymous Anonymous
  • 16-01-2015
  • Mathematics
Answered

Solve each system using substitution.

1. 4x= 3y-2 ; 18= 3x+y

2. 3x+2y= 23 ; 1/2x-4= y

Verified Answer :

hppestano15 hppestano15
  • 16-01-2015
  1. 4x= 3(18-3x) - 2
    4x=54-9x-2
    4x+9x=52
    13x=52
    x=4

    substitute 4 for x
    4(4)=3y-2
    16=3y-2
    16 + 2 = 3y
    y=6

    So your x would be 4 and y would be 6

    to check your solution substitute x and y
    4(4)=3(6) - 2
    16 = 16 
    Therefore that's the final answer for number 1.
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