Question

I need help please :(​

Answer 1

3) x=60

6)x=86

9) x=40

Explanation:

3) 60+60+x=180

120+x=180

X=180-120

x=60

6) 18+(x-8)+(x-2)=180

18-8-2+x+x=180

8+2x=180

2x=180-8

2x=172

x=172/2

x= 86

9) (2x+5)+60+(x-5)=180

2x+x+5+60-5=180

3x+60=180

3x=180-60

3x=120

x=120/3

x=40