Kenny wrote the equation y = -3x + 4. If x=7 , what is the value of y? need ASAP!!

Answer: y=-17
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y=-3(7)+4
y=-21+4
y=-17
Answer:
Step-by-step explanation:
If x=7, we can insert 7 for x in the equation, leaving us with y=-3(7)+4, or y=-21+4
Now we can just add.
-21+4=-17
so y=-17
Hope this helps!