Answer: 25
<u>Step-by-step explanation:</u>
7(x - y) - 3(2 + 2x)
= 7x - 7y - 6 - 6x
= x - 7y - 6
for x = 3, y = -4
3 - 7(-4) - 6
= 3 + 28 - 6
= 31 - 6
= 25
When an equation is in standard form, x isn't negative so she should divide everything by a negative 1 to change it into a positive equation.
Answer:660 in
Step-by-step explanation:10x11x6=660 in
Answer:
proportional
Step-by-step explanation:
all are multiplied by 3
Answer:
-1
Explanation:
X - 9 = -10
+9 +9
——————
X = -1
