Ola Terezinha
1/10 - 2*(4 - x) + 7*(2x + 1) = 0
1/10 - 8 + 2x + 14x + 7 = 0
1/10 + 16x - 1 = 0
1 + 160x - 10 = 0
160x = 9
x = 9/160
pronto
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Answers & Comments
Ola Terezinha
1/10 - 2*(4 - x) + 7*(2x + 1) = 0
1/10 - 8 + 2x + 14x + 7 = 0
1/10 + 16x - 1 = 0
1 + 160x - 10 = 0
160x = 9
x = 9/160
pronto