7-x=15
7-(-8)=15
what we have to do in order to solve this is change the 2 subtraction signs into a addition sign because a negative plus a negative makes a positive.
Answer:
-7j + 3
Step-by-step explanation:
Combine like terms:
-5j + (-2j) = -7j
-7j + 3
Answer:
Step-by-step explanation:
x^2+6x-72
165
X= ———
14
1 + 7/30 (4x) = 20
Answer:
a is 2x+2x and 4x
b is 6(7y-4) and 6*7y-6*4