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Anderson0993
@Anderson0993
December 2019
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Por favor me ajudem,trabalho de matematica 7* Ano ---- / Significa fração 1!!99 PONTOS!!
1) 1/2 -2(x-2)/3 = 1 - x +1/6
2) 2(x-5)/5 = (3x -2)/2
3) x +3 = 2 (x - 1/2
4) x/4 +2 = x -3/2
5) "A mais dificil minha opnião" 3(x -4)/9 -1 = x - 4-x/6
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lucasmpa
1) 1/2 -2(x-2)/3 = 1 - x +1/6
(3 - 4x +8)/6 = (6 -6x +1)/6
11 - 4x = 7 - 6x
x = -2
2) 2(x-5)/5 = (3x -2)/2
(2x - 10)/5 = (3x - 2)/2
(4x - 20)/10 = (15x - 100)/10
11x = 80 ====> x = 80/11
3) x +3 = 2 (x - 1/2)
x +3 = 2x - 1
x = 4
4) x/4 +2 = x -3/2
( x +8)/4 = (4x - 6)/ 4
3x= 14 =====> x = 14/3
5) 3(x -4)/9 -1 = x - 4-x/6
(3x -12)/9 - 1 = x - 4 - x/6
(6x-24-18)/ 18 = (18x -72 - 3x)/18
9x = 30
x = 10/3
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(3 - 4x +8)/6 = (6 -6x +1)/6
11 - 4x = 7 - 6x
x = -2
2) 2(x-5)/5 = (3x -2)/2
(2x - 10)/5 = (3x - 2)/2
(4x - 20)/10 = (15x - 100)/10
11x = 80 ====> x = 80/11
3) x +3 = 2 (x - 1/2)
x +3 = 2x - 1
x = 4
4) x/4 +2 = x -3/2
( x +8)/4 = (4x - 6)/ 4
3x= 14 =====> x = 14/3
5) 3(x -4)/9 -1 = x - 4-x/6
(3x -12)/9 - 1 = x - 4 - x/6
(6x-24-18)/ 18 = (18x -72 - 3x)/18
9x = 30
x = 10/3