Решите пример: 9.5х-(3.2х+1.8х)+3.75=6.9

Question

Решите пример: 9.5х-(3.2х+1.8х)+3.75=6.9

Answer 1

9.5х - (3.2х+1.8х) + 3.75 = 6.9
9.5х - 5х + 3.75 = 6.9
9.5х - 5х = 6.9 - 3.75
4.5х = 3.15
х = 3.15 / 4.5
х = 0.7

Comments

спасибо

Answer 2

9.5х-(3.2х+1.8х)+3.75=6.9
9.5х-5х+3.75=6.9
4.5х+3.75=6.9
4.5х=6.9-3.75
4.5х=3.15
х=7/10=0.7