Question

Qual resposta 2×+1-×=10-4×+6

Answer 1

2x+1-x=10-4x+6

2x-x+4x=10+6-1

5x=15

x=15/5

x=3

resposta: x=3

prova real :

2(3)+1-3=10-4(3)+6

6+1-3=10-12+6

4=-2+6

4=4  

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