Question

как решить уравнение 11+2.3х+1.3х=38

Answer 1

$11+2.3x+1.3x=38$
$11+3.6x-38=0$
$-27+3.6x=0$
$x= frac{27}{3.6}$
$x=7.5$

Answer 2

2,3х+1,3х=38-11. 3,6х=27. х=27|3,6. х=7,5

Answer 3

2.3x+1.3x=38-11
3.6x=27
x=27/3.6
x=7.5