Question

3° Encontre o valor de x
nas seguintes equações.
a) 4x = 12 - 4
b) 2x + 3 = 7
c) 2x + 3 = 6 - 1
d) 5x + 3 = 15 - 7
e) 4x + 2 = 8 + 2​

Answer 1

a) 4x = 12 - 4

4x = 8

x = 2

b) 2x + 3 = 7

2x = 4

x = 2

c) 2x + 3 = 6 - 1

2x = 2

x = 1

d) 5x + 3 = 15 - 7

5x = 5

x = 1

e) 4x + 2 = 8 + 2

4x = 8

x = 2

Answer 2

Resposta:

a) 4x = 12 - 4 = x = 2

b) 2x + 3 = 7 = x = 2

c) 2x + 3 = 6 - 1 = x = 1

d) 5x + 3 = 15 - 7 = x = 1

e) 4x + 2 = 8 + 2​ = x = 2