Question

21-6x=27-8x
por favor solo eso

Answer 1

21-6x=27-8x

8x-6x = 27 - 21

2x = 6

$x = \frac{6}{2}$

x = 3

Answer 2

solo despejamos x
21-6x=27-8x
-6x+8x=27-21
2x=6
x=6/2
x=3

entonces para comprobarlo x=3
21-6(3)=27-8(3)
21-18=27-24
3=3