obeyyjenny123 obeyyjenny123
  • 01-08-2018
  • Mathematics
contestada

What is the value of a in the equation 5a – 10b = 45, when b = 3?

Respuesta :

2018bbenzenhafe
2018bbenzenhafe 2018bbenzenhafe
  • 01-08-2018

5a-10(3)=45

5a-30=45

5a=75

a=15

Answer Link
amy8450
amy8450 amy8450
  • 01-08-2018
5a - 10(3)= 45
5a - 30 = 45
Add 30 to both sides of the equal sign to cancel out the thirty on the left
5a= 75
divide 5a and 75 by 5
a = 15
Answer Link

Otras preguntas

what was the first present faith
what operation should be performed first to solve -3x+5<23
Paul's height is six feet, he's an assistant at a butcher's shop, and wears size 9 shoes. What does he weigh?
Serfs were not required to provide labor services for the manor. true false
Three challenges bricks construction may encounter when trying to implement their corporate social investment plan in the local community
The energy needed to get a reaction started is known as ________________________. activation energy cell energy chemical energy all of the above
A rainforest is an example of a _____. -biome -community -habitat -population
Jackie has a puzzle book that contains a total of 65 puzzles. She has completed 2/5 of the puzzle. If Jackie completes 13 more puzzles, what is the total number
what is 9×9 please help me
Simplifique a expressão: A) (-2a -3b)²- (2a - 3b)²