Question

If x=6, how do I find y?

Answer 1

y = 35

Step-by-step

(5x - 20) + (5x +4y) = 180

Replace x with 6.

(30-20) + (30 + 4y) = 180

10+30+4y = 180

40+4y = 180

4y = 180-40

4y = 140

y = 35