GaryWatson13 GaryWatson13
  • 02-03-2021
  • Mathematics
contestada

Solve each system using substitution. Check your answer.
x+y=8
y=3x

Respuesta :

GilliamKathren
GilliamKathren GilliamKathren
  • 02-03-2021

Answer:

x = 2

y = 6

Step-by-step explanation:

x + y = 8

x + (3x) = 8

4x = 8

4x ÷ 4 = 8 ÷ 4

x = 2

-------------------------------

y = 3x

y = 3(2)

y = 6

----------------------------------

x + y = 8

(2) + (6) = 8

8 = 8

Answer Link

Otras preguntas

When the pressure that a gas exerts on a sealed container changes from 811 mm Hg to 415 mm Hg, the temperature changes from 33.0°C to _ °C?
Someone please help me? I would really appreciate it
sciencists thing past changes in climate have been caused by____.
is "you and too" slant rhyme or exact rhyme?
What is the answer of number 14?
Why are there regional televison networks in españa
Evaluate a - ab + b if a = -2 and b = 4. Show your work.
The number of patients treated at Dr. White's dentist office each day for nine days is 10, 6, 4, 15, 6, 8, 6, 15, 4. Find the mean, median, mode, and range of t
Ever since thach met his new girlfriend at school, he feels that his life is like a roller coaster. he can't stop thinking about anh and feels intensely jealous
Benefits of Using Health Resources Effectively