Question

Решите уравнение:  3.5х+2.2 х=4.56   Заранее спасибо.

Answer 1

$3.5x+2.2$

$x=4.56$

$3.5*4.56+2.2=15.96+2.2=18.16$

Answer 2

3.5x+2.2x=4.56
5.7x=4.56
x=4.56/5.7
x=0.8