3y/2-y-5/3=1+2y-4/4 qual é o resultado dessa conta
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3y -y- 5=1+2y- 4
___ __ ___
2 3 4 2 3 4 2
1 3 2 2 =mmc= 12
1 3 1 3
1 1 1
18y 12y 20 12 24y 12
____ - ___ - _____ = ___ + ___ - ___
12 12 12 12 12 12
6y 20 12 12 24y
____ - ___ = ___ - ____ + ____
12 12 12 12 12
6y 24y 20
__ - _____= ___
12 12 12
18y 20
- ___ = ___ ⇒12.(-18y)=12.20⇒-216y=240⇒y=240/-216=-120/108
12 12
-60/54
-30/27
-10/9
___ __ ___
2 3 4 2 3 4 2
1 3 2 2 =mmc= 12
1 3 1 3
1 1 1
18y 12y 20 12 24y 12
____ - ___ - _____ = ___ + ___ - ___
12 12 12 12 12 12
6y 20 12 12 24y
____ - ___ = ___ - ____ + ____
12 12 12 12 12
6y 24y 20
__ - _____= ___
12 12 12
18y 20
- ___ = ___ ⇒12.(-18y)=12.20⇒-216y=240⇒y=240/-216=-120/108
12 12
-60/54
-30/27
-10/9
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