jkw1222p0ttvq jkw1222p0ttvq

25-10-2019
Mathematics

contestada

Solve the system by substitution.
system
A. (–8, 7, 5)
B. (–8, –7, 5)
C. (8, –7, 5)
D. (–8, –7, –5)

Solve the system by substitution system A 8 7 5 B 8 7 5 C 8 7 5 D 8 7 5 class=

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KurdishPotato KurdishPotato

25-10-2019

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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clowcat clowcat

25-10-2019

The answer is B hope this helps!

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