Question

determine o valor das incognitas "x" a) 2+x=3x-3 b) x+5x=15+3x​

Answer 1

Resposta:

Olá!!!

A)

$2x + x = 3x - 3 \\ 2x + x + 3x = - 3 \\ 6x = - 3 \\ x = 6 \div - 3 \\ x = 2$

B)

$x + 5x = 15 + 3x \\ x + 5x - 3x = 15 \\ 6x - 3x = 15 \\ 3x = 15 \\ x = 15 \div 3 \\ x = 5$

ATT:MIRANDA ;)