Question

Help

Solve 4(c - 3) = 4c + 8.
A. c = 11
B. c = 5
C. c = 0
D. No Solution





Solve: 3(z + 1) + 4(z – 3) = 5.
A. -4/7
B. 3/7
C. 1
D. 2

Answer 1

4(c-3)=4c+8
4c-12=4c+8
0c=20
c=error. D is the right answer

3(z+1)+4(z-3)=5
3z+3+4z-12=5
7z-9=5
7z=14
z=2. D is the right answer. Hope it help!

Answer 2

1st problem:
4(c-3)=4c+8
4c-12=4c+8
4c=4c+20
0=20
The answer is D) No Solution

2nd problem:
3(z+1)+4(z-3)=5
3z+3+4z-12=5
7z-9=5
7z=14
z=2
The answer is D) z=2