X-3.5 × 0.8 = 7.2 equations,

X-3.5 × 0.8 = 7.2 equations,


x-3.5×0.8=7.2
x-2.8=7.2
x=2.8+7.2
x=10



0.35 × (x + 8) = 3.5 equations


x+8=10 x=2



0.6x (3.8-x) = 1.5, how to formulate the equation?


3.8-x=1.5÷0.6
x=3.8-2.5
x=1.3



20% of a number is 11 less than 3 / 4 of it. What is the number


Let this number be X
3X/4-20%X=11
0.55X=11
X=11/0.55
X=20
This number is 20