Answer:
56x-42x+63
Step-by-step explanation:
Answer:6
-7=s+(-13)
Open bracket
-7=s-13
Collect like terms
s=-7+13
s=6
2 · c - 5 · 2 - 3 = 2c - 10 - 3
2c - 10 - 3 = 2c - 7
1. 7
2. B
3. C
hope its right