SirCaesar SirCaesar

12-01-2020
Mathematics

contestada

Solve each system by elimination

Z=2x-3y-7
Y=0
-2y+z=3

Respuesta :

sasha0013 sasha0013

12-01-2020

Sub in for y for 0 and z for -2x-3y-7
-2(0)+2x-3(0)-7=3
Then simplify
2x-7=3
Then add 7 to both sides
2x=10
Then divide by 2
x=5
Then sub in x and y for the equation for z
Z=2(5)-3(0)-7
Then simplify
Z=10-7
Then solve
Z=3
Y=0
X=5

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