lolamoz13
lolamoz13 lolamoz13
  • 02-11-2017
  • Mathematics
contestada

Simplify:

3ab-9ab+7ab

Solve:

A- 2(5x-3)=24

B- 5(2x+1)=50

Respuesta :

choixongdong
choixongdong choixongdong
  • 02-11-2017
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
Answer Link
taniaorozco
taniaorozco taniaorozco
  • 02-11-2017
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!
Answer Link

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