narmeen031900
narmeen031900 narmeen031900
  • 28-06-2016
  • Mathematics
contestada

Solve this system of equations using substitution. Put your answer in ordered pair form, (x, y). x + y = 154x + 3y = 38

Respuesta :

caylus
caylus caylus
  • 30-06-2016
Hello,
x+y=15==>x=15-y
4x+3y=38==>4(15-y)+3y=38==>-y+60=38
==>-y=-22==>y=22 and x=15-22=-7
sol={(-7,22)}


Answer Link

Otras preguntas

How does the playwright use dialogue to develop the message in this passage? Beneatha’s use of sarcasm shows how people can unintentionally hurt those they care
582.5 divided by 2.5
What is the equation of a line with a slope of 4 and a y-intercept of -3
Find -x + 10 subtracted from 0. -* +10 0X-10
Shining Star Preschool purchased a van for $38,000. Suppose MACRS allows vans to be depreciated fully in 6 years according to six fixed percents: 20% the first
Who led the largest slave rebellion in U.S. history?
How did the Revolutionary War provide both new opportunities and new challenges for slaves and free blacks in America?
0 is in quadrant III and cos^2 0=1/4
Read the following sentence: The red roses radiated with color like a morning sunrise. To change the tone of the sentence from joyful to neutral, which word mos
What is a "pislaadi?re" in Monaco? A small cr?pe-like snack made from chickpeas fresh tuna fish or anchovies on a bed of lettuce, with olives, green peppers, eg