Question

решите уравнение 4(х+5)-2(х-8)=72

Answer 1

4х+20-2х+16=72
4х-2х=72-20-16
2х=36
х=18

Answer 2

4x+20-2x+16 = 72
2x = (72-20) -16
2x = 36
x = 18

Ответ: x = 18