Resposta:
4x-1-2=(4/5)-[(2-x)/4
4x-3=(16-10+5x)/20
20(4x-3)=6+5x
80x-60=6+5x
80x-5x=60+6
75x=66
x=66/75
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Resposta:
4x-1-2=(4/5)-[(2-x)/4
4x-3=(16-10+5x)/20
20(4x-3)=6+5x
80x-60=6+5x
80x-5x=60+6
75x=66
x=66/75