Question

resolva x-4=3
c)x+6=5
d)x-7=-7
e)x+9=-1

Answer 1

Bom dia,

a) x - 4 = 3

x = 3 + 4

x = 7

b) x + 6 = 5

x = 5 - 6

x = - 1

c) x - 7 = - 7

x = -7 + 7

x = 0

d) x + 9 = - 1

x = - 1 - 9

x = 10

Espero ter ajudado.