alfonso7guzman7 alfonso7guzman7
  • 03-10-2020
  • Mathematics
contestada

Subtitute 2x+y=7 and 3x-y=8

Respuesta :

taaaaan taaaaan
  • 03-10-2020
2x + y =7 (1)
3x-y=8 (2)

(1) + (2)

5x = 15
x = 3

Answer Link

Otras preguntas

What is the surface area of a cone?
Help me please!! The 1876 Constitution requires that almost all Texas government officials be elected. Why are elected officials more likely to respond to the w
HELP ASAP PLEASE ASAP BRAINLIEST ON THE LINE!!!!!!!!! How can we make extraction, production, distribution, consumption, and disposal more positive?
What percentage of light nts Earth's surface directly?
examples of potential energy
7. Why does the formula for a triangle have 1/2 in the equation?​
Fedor invests $3300 in an account earning 2% interest, compoundedannually. The equation that represents this scenario is:A(n) = 3300(1 + 0.02) 11How much will h
solve a triangle with the side values of 12,13, and 14
Subtract 8y^2-5y+7 from 2y^2+7y+11
Jenny buys 222222 sports drinks for her soccer team. They are on sale for \$0.35$0.35dollar sign, 0, point, 35 off per drink. Jenny paid \$18.70$18.70dollar sig