a.-2/3 . X+1/5=3/10b.1/3+2/3:x=-7c.(2/3-x):3/4=1/5 2d.-2x-(-3/5):(-0,5)=-1 1/4 2e|3x-1|=(-1/3)f(x+1/2)(2/3-2x)=0g60%x+0,4x+x+x:3=2 2h(2x+3/5)-9/25=0
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