buchananpeterlawrenc buchananpeterlawrenc

22-03-2021
Mathematics

contestada

solve each system by substitution. y=2x-1 3x+8y=11

Respuesta :

alexis270 alexis270

22-03-2021

X=1 y=1

Answer:

y=2x-1 ---(1)

3x+8y=11 ---(2)

sub (1) into (2)

3x+8(2x-1)=11

3x+16x-8=11

19x=19

X= 1

sub X= 1 into (1)

y= 2(1)-1

y=1

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