Answer:
-28
Step-by-step explanation:
all you do is plug in 7 to x
7*-4=-28
Y=-28
Substitute 7 for x
Y=-4(7)
Multiply 7 by 4
Make sure the answer is negative
<u>Exercise 2.</u>
He spent $9.
<u>Exercise 3.</u>
2, 4, 6, 8, 10.
w = 9
Given
6 + (w - 10) = 5, that is
6 + w - 10 = 5
w - 4 = 5 ( add 4 to both sides )