Answer:
y = 24
Step-by-step explanation:
3x + y = 6
Solve for y
Subtract 3x from each side
3x -3x+ y = 6-3x
y = 6-3x
Let x = -6
y = 6 -3(-6)
=6+18
=24
1. 3x + y = 6
2. 3(-6) + y = 6
3. -18 + y = 6
4. +18 +18
5. y = 24
Therefore, 3(-6) + (24) = 6
-18 + 24 = 6
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