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

Which passage is chronological???
Natural disasters can have positive effects on an ecosystem. True or false?
7a-3=3-2a I don't know how to solve this question
Stacy saved 30% on a single item. If she saved $60.00, what was the cost of the item before the discount?
What does Lincoln mean when he says soldiers gave "the last full measure of devotion"?
does 8 have more factors than 9
(3x squared)to the power of -2
What sort of problem do you use acceleration due to gravity ? What sort of problem do you not ?
What is 2069 rounded to the nearest 1000
which choice is not a factor of 52? a. 4 b. 26 c. 3 d. 13