Question

qual é a resposta de 18x-43=65
6x=2x+16
2x-5=x+1
2x+3=x+4
5x+7=4x+10

Answer 1

18x-43=65
18x= 65+43
18x=108
x=108/18
x=6

6x=2x+16
6x-2x=16
4x=16
x=16/4
x=4

2x-5=x+1
2x-x=1+5
x=6

2x+3=x+4
2x-x=4-3
x=1

5x+7=4x+10
5x-4x=10-7
x= 3

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