a) $1\dfrac{1}{3}-x=-2\dfrac{1}{2}$ $↔ \dfrac{4}{3}-x=-\dfrac{5}{2}$ $↔ x=\dfrac{4}{3}+\dfrac{5}{2}$ $↔ x=\dfrac{23}{6}$ b) $-2x-4=-6\dfrac{1}{6}$ $↔ -2x-4=-\dfrac{37}{6}$ $↔ 2x=\dfrac{37}{6}-4$ $↔ 2x=\dfrac{13}{6}$ $↔ x=\dfrac{13}{12}$ Reply
`1 1/3-x=-2 1/2` `⇒4/3-x=-5/2` `⇒x=4/3-(-5/2)=23/6` `-2x-4=-6 1/6` `⇒-2x=-2 1/6` `⇒-2x=-13/6` `⇒x=13/12` Reply
a) $1\dfrac{1}{3}-x=-2\dfrac{1}{2}$
$↔ \dfrac{4}{3}-x=-\dfrac{5}{2}$
$↔ x=\dfrac{4}{3}+\dfrac{5}{2}$
$↔ x=\dfrac{23}{6}$
b) $-2x-4=-6\dfrac{1}{6}$
$↔ -2x-4=-\dfrac{37}{6}$
$↔ 2x=\dfrac{37}{6}-4$
$↔ 2x=\dfrac{13}{6}$
$↔ x=\dfrac{13}{12}$
`1 1/3-x=-2 1/2`
`⇒4/3-x=-5/2`
`⇒x=4/3-(-5/2)=23/6`
`-2x-4=-6 1/6`
`⇒-2x=-2 1/6`
`⇒-2x=-13/6`
`⇒x=13/12`