Question

даю 20б!
|3x-7|=5 решите уравнение

Answer 1

$|3x-7|=5$

$left { {{3x-7=5} atop {-3x+7=5}} right.$

$left { {{3x=12} atop {-3x=-2}} right.$

$left { {{x=4} atop {x=2/3}} right.$

Answer 2

3х-7=5

3х-7=-5

х=4

$x = frac{2}{3}$