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16-12-2021
Mathematics

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what is the x value of the solution to the system of equations below
x+y+z=8
x+2y=6
y+z=4

Respuesta :

16-12-2021

Answer:

Let's solve for x.

x+y+z=8

Step 1: Add -y to both sides.

x+y+z+−y=8+−y

x+z=−y+8

Step 2: Add -z to both sides.

x+z+−z=−y+8+−z

x=−y−z+8

Answer:

x=−y−z+8

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