Answer:
BC is just 3d+7??
Step-by-step explanation:
Answer:
15) x = 112
18) x = 120
19) x = 31
20) x = 65
Step-by-step explanation:
I hope that is useful for you :)
First, distribute the 12
156-168-15=16+4+x
-27=20+x
-47=x
Answer:
D) 7
Step-by-step explanation:
7x280= 1960
1x440= 440
440+1960= 2400