Question

Complete as frases, descobrindo o valor de y:


a) y – 4 = 6 se y for igual a _______

b) 3y = 15 se y for igual a ________

c) -5 + y = -12 se y for igual a ______

d) 3y + 1 = 7 se y for igual a _______​

Answer 1

a) y - 4 = 6 => y = 6 + 4 => y = 10

b) 3y = 15 => y = 15/3 => y = 5

c) -5 + y = -12 => y = -12 + 5 => y = -7

d) 3y + 1 = 7 => 3y = 7 - 1 => 3y = 6 => y = 6/3 => y = 2

Bons estudos!!