Eff1gYBuRnS
Eff1gYBuRnS Eff1gYBuRnS
  • 18-12-2021
  • Mathematics
contestada

Please help
7a-4[2-(2a-1)]

Respuesta :

jimrgrant1 jimrgrant1
  • 18-12-2021

Answer:

15a - 12

Step-by-step explanation:

7a - 4 [ 2 - (2a - 1) ] ← distribute parenthesis inside the bracket by - 1

= 7a - 4 [ 2 - 2a + 1 ]

= 7a - 4 (- 2a + 3) ← distribute parenthesis by - 4

= 7a + 8a - 12 ← collect like terms

= 15a - 12

Answer Link

Otras preguntas

How many diploid and haploid chromosomes does a duck have?
what organ absorbs excess water from undigested food prior to its release from the body as a solid waste
what was the effect when the english settlers were willing to fight for the land they wanted?
Explain the connection between your  body and supernova
in kilometers how much larger is the distance around the earth from east to west than the distance from north to south
in kilometers how much larger is the distance around the earth from east to west than the distance from north to south
Is 10/9 closest to 0, 1/2 or 1? Explain Is 2/15 closest to 0, 1/2 or 1? Explain
what was the effect when the english settlers were willing to fight for the land they wanted?
which climate has no vegetation and his home to penguins and polar bears?
why might the earths oceans be described as one huge ocean