taniafelix2001 taniafelix2001
  • 03-04-2020
  • Mathematics
contestada

Alvin is 7 years older than Elga. The sum of their ages is 97. What is Elga's age?

Respuesta :

thistleBranch
thistleBranch thistleBranch
  • 03-04-2020

Elga's age = x

Alvin's age = x + 7

x + x + 7 = 97.

Simplify the left side of the equation

2x + 7 = 97.

Subtract 7 from each side

2x = 90.

Divide each side by 2

x = 45

Since x is equal to Elga's age, Elga is 45 years old

Answer Link
ZellaGarcia
ZellaGarcia ZellaGarcia
  • 13-02-2021

Answer:

The correct answer is 43 years old. I just got it wrong and it shows me the correct answer afterwards. Hope this helps! Have a great day :)

Step-by-step explanation:

Answer Link

Otras preguntas

How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?
Find Domain of the functionsquare root of (x-8)/x(x-9)
(10y^3+20y^2+55y)/5y
Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?
Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??
how is mass transit in cities a possible solution tk urban air pollution?
Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?
How is it possible for Mercury to have frozen ice ?
Can someone use the word delta in a sentence
Scarcity is the condition of not having enough goods and services to satisfy everyone's?