## Algebra 1

$\frac{20}{14}=\frac{2-x}{7}$ cross multiply $14(2-x)=140$ distributive property $28-14x=140$ subtract 28 from both sides $28-14x-28=140-28$ combine like terms $-14x=112$ divide both sides by -14 $-14x\div-14=112\div-14$ divide $x=-8$