Question

HELP find the values of x (see image)

Answer 1

4) 10

5) 15

6) 20

7) 4

8) 27

equations used to solve:

4) 4x+50=90

5) (2x+60)+6x=180

6) 3x+30=90

7) (8x+120)+7x=180

8) 99+3x=180

Answer 2

I don’t know I just have to answer this so I can search a question