Question

решите уравнение
а) 6х + 18х = 72
б) 6х - х + 18 = 43

Answer 1

а)6х+18х=72
24х=72
х=3
б)6х-х+18=43
5х=43-18
5х=25
х=5

Answer 2

а)
$6x + 18 x = 72$
$24x = 72$
$x = 3$
б)
$6x - x + 18 = 43$
$5x + 18 = 43$
$5x = 43 - 18$
$5x = 25$
$x = 5$