Question

2)Determine o valor númerico: a) 4x + 2 = -------- x = 5 b)3x + 2 = -------- x = 1 c) 4x + 2y = ----- x = 4 e y = 5 d) 3x – 1 =---------x = 8

Answer 1

a)x= 22

b)x= 5

c)16+10 =26

d)24-1= 23