Sherisoteloidn
Answered

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y+z=4 y-z=8
how to solve this problem​

Sagot :

Meowmeow223334idn

Use elimination

y + z = 4

y - z = 8

Subtract both

2z = -4, z = -2

Y - 2 = 4, y = 6

Solution: y = 6, z = -2

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