Question

Solve for $x$, if $x=\frac{4}{5}(x+10)$.

Answer 1

Given, $x=\frac{4}{5}(x+10)$

$⟹$ $5x=4(x+10)$ ....[Cross-multiplying the denominators]

$⟹$ $5x=4x+40$ ....[By Distribution Law].

Transposing $x$ terms to one side, we get,

$⟹$ $5x-4x=40$

$⟹$ $x=40$.