193k views
2 votes
Solve please.

4x - 3 = 5x + 2

A. 1
B. -1
C. 5
D. -5

and this is the second question.

7b - 20 = 3b + 12

A. 9
B. -8
C. 2
d. -2

2 Answers

4 votes

Answer:

1) -3 -2 = 5x - 4x

-5 = x

D is the answer

2) 7b - 3b = 12 + 20

4b = 32

b = 32/4

b = 8

none of the above

positive 8 is the answer

User Pierangelo Dal Ben
by
4.9k points
5 votes

4x - 3 = 5x + 2 is -5 (D)

7b - 20 = 3b + 12 is 8.

Hope this helps.

Have a great day and God bless! :)

User Soyuz
by
5.6k points