B- 1.23 You can do that whit an app name photomath :D
I believe (3) hope it’s correct :)
3x+17+5x=7x+10
Simplify:
3x+5x+17=7x+10
8x+17=7x+10
Get the variables on one side:
8x-7x+17=7x-7x+10
x+17=10
One-step equation:
x=-7
D a kilogram is 100000 bigger
