kashwell215
kashwell215 kashwell215
  • 25-01-2022
  • Mathematics
contestada

2x - y=17 and x-y=10
Solve with substitution, show work?

Respuesta :

semsee45
semsee45 semsee45
  • 25-01-2022

Answer:

x = 7    y = -3

Step-by-step explanation:

x - y = 10   ⇒   x = 10 + y

Substitute  x = 10 + y  into 2x - y = 17:

2(10 + y) - y = 17

20 + 2y - y = 17

y = -3

Substitute the found value of y into x = 10 + y to find x:

x = 10 - 3 = 7

Answer Link

Otras preguntas

how does the background Image help communicate the message of the poster
the planet neptune orbits the sun. its orbital radius is 30.1 astronomical units (AU). assuming neptunes orbit is circular, what is the distance it travels in a
what is the passive voice of l have nothing to worry about
This table shows the relationship between jars of peanut butter and jars of jelly stocked each week at a camp. The ratio of jars of peanut butter to jars of j
Hola,ayuda por favor!! ¿Cuál es la definición de solicitud de apoyo,para que sirve y en que cosas se puede usar,elementos y características como se hacen? La n
in the 1600s through the 1800s how many africans were taken out of western africa
Write the polynomial I’m factored form. x^3-3x^2-10x Please explain how you got the answer I’m lost
what is the vertex of f (x) = 5x^2+20x-16
The environmental protection agency has been the environments watchdog for close to
I need help with my French test... 1. Où sont allés Sophie et Vincent? Ils sont resté à la maison. Ils ont joué au foot dans le parc. Elles sont venues en vi