Question

2) Resolva as equações.
a) 5x - 16 - 19
b) 6x - 6 = 12
c) 7x - 12 = 16
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Answer 1

Explicação passo-a-passo:

a)

5x - 16 = 19

5x = 19 + 16

5x = 35

x = 35/5

x = 7

b)

6x - 6 = 12

6x = 12 + 6

6x = 18

x = 18/6

x = 3

c)

7x - 12 = 16

7x = 16 + 12

7x = 28

x = 28/7

x = 4