Question

a) x-8 = 12

b) Y + 4 = 14

c) 2 +X = 5

d) 3 x Y = 12

e) x-3 = 10

f) 4 + x =5​

Answer 1

Resposta:

a) 20

b) 10

c) 3

d) 4

e) 13

f) 1

Answer 2

Resposta:

A = R: X = 20

B = R: Y = 10

C = R: X = 3

D = R: Y = 4

E = R: X = 13

F = R: X = 1