Question

a, ×+(10)=+16
b,×+(+2)=-10
c,×+(+20)=0
d,×+(-9)=+9
e,(-15)+×=-1​

Answer 1

Resposta:

a) x = 6

b) x = -12

c) x = -20

d) x = 18

e) x = 14

Explicação passo-a-passo:

a)

x + 10 = 16

x = 16 - 10

x = 6

b)

x + 2 = -10

x = -10 -2

x = -12

c)

x + 20 = 0

x + 20 - 20 = 0 - 20

x = -20

d)

x + (-9) = 9

x - 9 = 9

x = 9 + 9

x = 18

e)

(-15) + x = -1

-15 + x = -1

x = -1 + 15

x = 14