There are several equations 120% X-70% x = 30-25% x = 10

There are several equations 120% X-70% x = 30-25% x = 10


120%X-70%X=30
50%x=30
x=60
30-25%X=10
25%x=20
x=80



How to calculate the mathematical equation 7x + 50% x = 75, write down the meaning, thank you


7x+50%x=75
7x+0.5x=75
7.5x=75
x=10



85 + 30% x-40% x = 80 equation


85+30%x—40%x=80
0.4x-0.3x=85-80
0.1x=5
x=50