Question

[12x-21]:3+6x+11 algebra

 

Answer 1

$<var>\frac{12x-21}{3} +6x + 11</var>$ ⇔

$<var>4x-7+6x+11</var>$ ⇔

$<var>4x-7+6x+11</var>$ ⇔

$<var>10x=-4</var>$ ⇔

$<var>x= \frac{-4}{10}</var>$ ⇔

$<var>x= \frac{-2}{5}</var>$