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Solve the system of equations: x + y + z = 5; x - y + 3z = 9; and z = 6. PLS PLS HELP ME
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3 votes
Solve the system of equations: x + y + z = 5; x - y + 3z = 9; and z = 6.
PLS PLS HELP ME

User Pashka
by
5.3k points

1 Answer

3 votes
x + y + 6 = 5
x - y + 18 = 9

2x + 24 = 14 minus 24
2x = -10 divided by 2
x = -5

-5 + y + 6 = 5
y = 4
User Samuel O
by
4.6k points
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