Question

find the value of x please

Answer 1

I know this is ML Aggarwal's book. you will find its answer key on the net.

https://www.aplustopper.com/ml-aggarwal-icse-solutions-for-class-8-maths/

Answer 2

1) x+48=180
180-48=x
132=x
2) x+130=180
x=180-130
x=50
3) x+56=180
x=180-56
x=124