Question

considerando a equação 5x + 2 = 18 + x. calcule o valor numérico de :
$10x$
​

Answer 1

Resposta:  40

Explicação passo-a-passo:

5x+2=18+x

5x-x=18-2

4x=16

x=16/4

x=4

10*4=

40

Answer 2

$5x+2=18+x\\5x-x=18-2\\4x=16\\x=16/4\\x=4\\\\10 \ . \ 4 \ =40$