Răspuns :
a) x-2,4=8
10x/10 -24/10=80/10 c)-x+8,2=6 e)-3supra4x=3,12
10x-24=80 -x+82/10=6 - 3/4x =312/100
10x=80+24 -10x+82=6 1248x=-300
10x=104 -10x=6-82 x=4,16
x=104/10 -10x=-76
b)x+3,6 = 0,5 x=-10/-76 f)2,5x-7,2=1,8
x+36/10=5/10 x=+7,6 25x-72=18
10x+36=5 d) 5-x=-11,7 25x=72+18
10x=-36+5 50-10x=-117 25x=90
10x=-31 -10x=-117-50 x=90/25
x=-31/10 -10x=-167 x=3,6
x-3,1 x=+167/10=16,7
10x/10 -24/10=80/10 c)-x+8,2=6 e)-3supra4x=3,12
10x-24=80 -x+82/10=6 - 3/4x =312/100
10x=80+24 -10x+82=6 1248x=-300
10x=104 -10x=6-82 x=4,16
x=104/10 -10x=-76
b)x+3,6 = 0,5 x=-10/-76 f)2,5x-7,2=1,8
x+36/10=5/10 x=+7,6 25x-72=18
10x+36=5 d) 5-x=-11,7 25x=72+18
10x=-36+5 50-10x=-117 25x=90
10x=-31 -10x=-117-50 x=90/25
x=-31/10 -10x=-167 x=3,6
x-3,1 x=+167/10=16,7