4 years ago

Solve the system by substitution.

Mathematics

2 answers:

stira [4]4 years ago

8 0

The answer is B hope this helps!

Lynna [10]4 years ago

7 0

Answer:

x =-8 y= -7 z= 5

Step-by-step explanation:

if z = 5

2x - y +5 = -4 ➡2x - y = -9

3y - 2x - 5 = -10 ➡ 3y -2x = -5 adding these up 2y = -14 (2x eliminated) y is -7

by replacing z and y you can find x too

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