Question

Solve using substitution y = 3x x + y = 8​

Answer 1

Answer: The answer is

x=2

y=6

Step-by-step explanation:

y=3x

x+y=8

Substituting equation 1 in 2:

x+y=8

x+3x=8

4x=8

x= 8/4 = 2

x=2

Substituting the value of x in equation 1 to find y:

y=3x

y=3x2

y=6