Answer:
You can get a negative 5 if you subtract -7 minus -2.
Step-by-step explanation:
Answer:
21
Step-by-step explanation:

Answer:
x = -1/5y + 3/5
Step-by-step explanation:
y = 3 - 5x
Subtract 3 from both sides;
y - 3 = -5x
Divide both sides by -5
-1/5y + 3/5 = x
-3.
Coefficients are numbers that have a variable next to it, thus leading it to be -e of the -3x.
Hope this helps!