mgcooley134 mgcooley134
  • 27-08-2020
  • Mathematics
contestada

One number is 10 more than twice another. Their sum is 1. Find the numbers

Respuesta :

anna2023147
anna2023147 anna2023147
  • 27-08-2020

Answer:

-3 and 4

Step-by-step explanation:

We can start naming the first number x

Hence, the second number would be 10+2x

Set up an equation.

10+2x+x=1

Combine like terms

10+3x=1

Subtract 10 from both sides

3x=-9

Divide both sides by 3.

x=-3

The first number is he first is -3.

Plug that into the expression for the second number.

10+2x

10+2(-3)

10-6

4

The two numbers are -3 and 4.

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