calculo 2×/3+1/2=×/4-3/2
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2x + 1 = x - 3
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3 2 4 2
2x - x = - 3 - 1
----- ----- ------ -----
3 4 2 2
2x - x = - 4
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3 4 2
2x - x = - 2
----- ----
3 4
4.2x - 3x = 12.(-2)
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12 12
8x - 3x = - 24
5x = - 24
x = - 24/5
*******************************************
3,4: 2
3,2: 2
3,1: 3
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1,1 = 2.2.3 = 4.3 = 12
----- ---- ----- -----
3 2 4 2
2x - x = - 3 - 1
----- ----- ------ -----
3 4 2 2
2x - x = - 4
----- ----- ------
3 4 2
2x - x = - 2
----- ----
3 4
4.2x - 3x = 12.(-2)
-------------- -----------
12 12
8x - 3x = - 24
5x = - 24
x = - 24/5
*******************************************
3,4: 2
3,2: 2
3,1: 3
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1,1 = 2.2.3 = 4.3 = 12
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