Question

resolva as operações do primeiro grau a)×-5×+6=0
b)4+3×+×=0
c)10-5×+2×=0
d)×+×+2-×=0​

Answer 1

Resposta:

a)×-5×+6=0

-4x = -6 (-1)

4x = 6

$x = \frac{4}{6} = \frac{2}{3}$

b)4+3×+×=0

4x = 4

x= 1

c)10-5×+2×=0

-3x = 10 (-1)

3x = 10

$x = \frac{10}{3}$

d)×+×+2-×=0

x = 2