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natka813 [3]
3 years ago
12

What is the solution to the following system? -4y=8 x+3y-3z=-26 2x-5y+z=19

Mathematics
2 answers:
Kisachek [45]3 years ago
8 0

Answer:

x=1 y=-2 z=7

Step-by-step explanation:

took the quiz edg 2020

Viktor [21]3 years ago
3 0
⓵
-4ỿ = 8

Simplify the left side in order to isolate the ỿ!

-4ỿ = 8
+4 +4

Ỿ = 12

⓶
× + 3y - 3z = -26

Simplify the left side in order to isolate the ×, ỿ and z!

× + 3y - 3z = -26
÷3 ÷3

× + ỿ - 3z = -8,66 periodic
÷-3 ÷-3

× + ỿ + z = 2,88 periodic

⓷
2× - 5ỿ + z = 19

Simplify the left side in order to isolate the ×, ỿ and z!

2× - 5ỿ + z = 19
÷2 ÷2

× - 5ỿ + z = 9,5
÷-5 ÷-5

× + ỿ + z = -1,9
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