Question

пожалуйста решите уравнения:1,5х+7=10 и (х+1,1)-2=5

Answer 1

$1.5x= 3 x= 2 ///////////// (x+1.1)-2=5 x+1.1=7 x=5.9$

Answer 2

$1)1.5x + 7 = 10 \\ 1.5x = 10 - 7 \\ 1.5x = 3 \\ x = \frac{3}{1.5} \\ x = 2 \\ \\ 2)(x + 1.1) - 2 = 5 \\ x - 0.9 = 5 \\ x = 5 + 0.9 \\ x = 5.9$