Evaluate the given xpression. If a=6,b=7 and c=8.Show your solution in the space provided.

( B. )
Answer:
1.) 5(6) + 4(7) - 12
=46
2.) 7(6) - 3(8) +2(7)
= 35
Solution:
( C. )
Answer:
1.) x = 10
2.) x = 3
3.) x = -4
Step-by-step explanation:
1.) x = 7 + 3
x = 10
2.) 2x = 14 - 8
2x = 6 (divide both sides by 2)
x = 3
3.) 4x - 2x = -5 - 3
2x = -8 (divide both sides by 2)
x = -4