Question

El intervalo solución de: 8x-3+4x<6x+21

Answer 1

8x - 3 +4x < 6x +21

8x + 4x - 6x < 21 + 3

12x - 6x < 24
6x < 24
x < 24/6

x< 4

x pertenece a
$< - \infty \: \: 4 >$

Answer 2

Resolver.

8x - 3 + 4x < 6x + 21
12x - 3 < 6x + 21
12x - 6x < 21 + 3
6x < 24
 x < 24/6
x < 4     
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                                                               4

Solución.
x ∈( - infinito , 4)