Question

1 resolva as equações

a) 9x - 23 = 13x - 27 ?


b) x + x = 12 ?
5

Answer 1

A) 9x - 23 = 13x - 27
27-23=13X-9X
4=4X
X=4/4
X=1

b) x + x = 12
2X=12
X=12/2
X=6

Answer 2

Ola Thaiane

a) 

9x - 23 = 13x - 27

13x - 9x = 27 - 23

4x = 4

x = 1

b)

x/5 + x = 12

x + 5x = 60

6x = 60

x = 60/6 = 10

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