Question

Shelly incorrectly solves the equation 1/2(c+6)=7

Answer 1

C = 8
6 + 8 = 14
1/2 × 14 = 7

Answer 2

1/2 (c + 6) = 7     // Apply distributive property
1/2 c + 3 = 7       // Take away 3 from both sides
1/2 c = 4             // multiply by 2 on both sides
c = 8

----------------------------------------
Answer : c = 8
----------------------------------------
* I hope this can help Shelly to identify her mistakes.