Question

Resolva as equações :     a)   4x-6=22                                     b) 13x+1-10x=5+x                          (quero a conta)

Answer 1

4x-6=22 --> 4x= 22+6 --> 4x= 28 --> x= 28/4 --> x=7

13x+1-10x=5+x --> 13x-10x-x= 5-1 --> 2x=4 --> x=2/4 --> x=0,5

Answer 2

a)   4x-6=22       
4x = 22 + 6
4x = 28
x = 28/4
x = 7

S[7]


b) 13x+1-10x=5+x    
 13x - 10x - x = 5 - 1
13x - 11x = 4
 2x = 4
 x = 4/2
 x = 2

S[2]