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Simplify: 3ab-9ab+7ab Solve: A- 2(5x-3)=24 B- 5(2x+1)=50
82.1k views
4 votes
Simplify:

3ab-9ab+7ab

Solve:

A- 2(5x-3)=24

B- 5(2x+1)=50

User Sdexp
by
8.0k points

2 Answers

4 votes
3ab - 9ab + 7ab
ab << the answer

2(5x - 3) = 24
10x - 6 = 24
10x = 24 + 6
10x = 30
x = 3 <<< the answer

5(2x + 1) = 50
10x + 5 = 50
10x = 50 - 5
10x = 45
x = 45/10
x = 9/2 << the answer

hope this helps, God bless!
User TigerBear
by
8.0k points
7 votes
3ab-9ab+7ab = ab

A-
2(5x-3)=24
10x - 6 = 24
10x = 30
x = 3

B-
5(2x+1)=50
10x + 5 = 50
10x = 45
x = 4.5
User John Pang
by
9.7k points
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