Answer:
5
Step-by-step explanation:

Answer:
6
Step-by-step explanation:
3( 4x - 6)
Let x =2
3( 4*2 -6)
3(8-6)
3*2
6
Check
12x-18
12*2 -18
24-18
6
Both equal 6
Answer:
Step-by-step explanation:
1 and 2 are linear pairs
1 and 3 are verticle
4 and 5 are adjacent
Answer:
the first one should be -548
Step-by-step explanation:
plug in the values and you should get -30+7(-72-2).