Question

resolve isso pra min pfv​

Answer 1

$x+5=2\\x=2-5\\x=-3\\\\-2x=6\\x=\displaystyle\frac{6}{-2}\\x=-3\\\\4-x=7\\-x=7-4\\-x=3\\x=-3\\\\3x=1\\x=\displaystyle\frac{1}{3}$

Answer 2

Explicação passo-a-passo:

a)x+5=2

x= 2 - 5

x= -3

b)-2x=6

x= 6/-2

x= -3

c)4-x=7

-x= 7-4

-x= 3 ×(-1)

x= -3

d)3x=1

x=1/3 ou 0.3333...