Question

2 Calcule o valor de x nas sentenças abaixo.

a) x +5=0
c) x-2=-3
e) x +2 = -3
b) x-1=-1
d) x-1 = 1
f) x + 10 = -10​

Answer 1

a) x+5 = 0 =>>> x = -5

b) x-2=-3 =>>> x = -3+2 =>>> x = -1

c) x+2 = -3 =>> x = -3-2=>> x = -5

d) x-1 = -1 =>>> x = -1 + 1=>>> x = 0

e) x-1 = 1 =>>> x = 1+1 =>> x = 2

f) x + 10 = - 10 =>> x = -10 -10 =>> x = -20

Bons estudos!