1+5x-36/4 + 2x-x/2=2+x-12/2
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1+5x-36/4 + 2x-x/2=2+x-12/2
6x-9+2x/2=2x-6
-3x-7x/2 = - 4x
10x/2= - 4x
5x =- 4x
Rantaro22:
a resposta correta é 12
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1+5x-36/4+2x-x/2 = 2+x-12/2
1+5x-9+2x-x/2 = 2+x-6
-8+7x-x/2 = -4+x
-16+14x-x = -8+2x
-16+13x = -8+2x
13x-2x = -8+16
11x = 8
x= 8/11
1+5x-9+2x-x/2 = 2+x-6
-8+7x-x/2 = -4+x
-16+14x-x = -8+2x
-16+13x = -8+2x
13x-2x = -8+16
11x = 8
x= 8/11
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