Question

y=3x
2x+3y=55
find the solution point

Answer 1

y = 3x

plug in 3x for y

2x + 3(3x) = 55
2x + 9x = 55

2x + 9x = 11x 

11x = 55

11x/11 = 55/11

x = 5

Plug in x into one of the equations to get y

3(5) = y
15 = y

your answer is:

x = 5
y = 15

hope this helps