-2/5-(3,7-2,2)=-0,4-1,5=1,9
3(2x+4)/4=4x-3/2 ⇒ 6x+12=16x-6 ⇒10x=18 x=1,8
4+(x+2)-(x-2)= 4+x+2-x+2=8
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-2/5-(3,7-2,2)=-0,4-1,5=1,9
3(2x+4)/4=4x-3/2 ⇒ 6x+12=16x-6 ⇒10x=18 x=1,8
4+(x+2)-(x-2)= 4+x+2-x+2=8