Answer:
x =80
Step-by-step explanation:
6/12 x - 10 = 30
Add 10 to each side
6/12 x -10+10 = 30+10
6/12 x = 40
Simplify 6/12 (divide top and bottom by 6 ) = 1/2
1/2 x = 40
Multiply by 2
1/2x * 2 = 40 *2
