Question

Help me out here please find the value of x

Answer 1

6. 51

7. 31

8. 20

Explanation:

2x+8=110

2x=102

x=51

2x+x-3=90

3x-3=90

3x=93

x=31

7x+x+20=180

8x+20=180

8x=160

x=20