brnathy88
brnathy88 brnathy88
  • 04-05-2021
  • Mathematics
contestada

The sum of two numbers is 2. Their difference is -16. What is the first number?

Respuesta :

clarch19
clarch19 clarch19
  • 04-05-2021

Answer:

x = -7

y = 9

Step-by-step explanation:

x + y = 2

x - y = -16

substitute '2-x' for 'y'

x - (2-x) = -16

x - 2 + x = -16

2x - 2 = -16

2x = -14

x = -7

-7 + y = 2

y = 9

Answer Link

Otras preguntas

what is the sum of 7/10 and 6/100
which trinomial is equivalent to (3x-1)(x+4)
which trinomial is equivalent to (3x-1)(x+4)
which trinomial is equivalent to (3x-1)(x+4)
having troubles with inequalities.. 3.8x + 14.5 < 32
Explain what is the same about two fractions that are like fractions
which trinomial is equivalent to (3x-1)(x+4)
which trinomial is equivalent to (3x-1)(x+4)
what is the sum of 7/10 and 6/100
what is the sum of 7/10 and 6/100