Question

126(2,5-х)-173(х-2)=81х-344-237х+711

Answer 1

$126(2,5-x)-173(x-2)=81x-344-237x+711$
$315-126x-173x+346=-156x+367$
$661-299x=-156x+367$
$-299x+156x=367-661$
$-143x=-294$
$x=frac{294}{143}$
$x=2frac{8}{143}$