Ola Eu
7x = 9 - 3*(x + 1)
7x = 9 - 3x - 3
10x = 6
x = 3/5
inverso
x = 5/3
pronto
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Ola Eu
7x = 9 - 3*(x + 1)
7x = 9 - 3x - 3
10x = 6
x = 3/5
inverso
x = 5/3
pronto