Answer:
7
Step-by-step explanation:
6+12=18
25-7=18
7 makes the sentance true.
Answer:
1. x = -37 - 7y
2. x = 7+3y/4
Answer:
(A.) x = y - 4
Step-by-step explanation:
All you need to do is subtract the 4 from both sides, giving you the final equation as x = y - 4.
1.

2.

3. -7/30
4. i believe it is the communitive of multiplication , but not 100% sure
Answer:
13
Step-by-step explanation:
1+2×6=13
boy!!!!!!!!!!!!!!