Question

What is the value of x in the equation 0.3x + 0.2 = 5?

Answer 1

`~~~~0.3x +0.2 = 5\\\\\implies 3x+2 = 50~~~~~~;[\text{Multiply both sides by 10}]\\\\\implies 3x = 50 -2\\\\\implies 3x = 48\\\\\implies x = \frac{48}3\\\\\implies x = 16`