Matematică
deliascummpika
2015-11-13 13:37:09
a) x+5×(33+128)=895 b) x-53×(49-3×12)=996 c) 53+2×x=×+111 e) 32+6×x=11×x-113 f) 8+13×x =2×x+41
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biancagr
2015-11-13 18:46:32

a) x+5×161=895 x+805=895 x=895-805 x=90 b) x-53×(49-36)=996 x-53×13=996 x-689=996 x=996+689 x=1585 c) 53+2×x=x+111 x=111-53 x=58 e) 32+6x=11x-113 5x=113+32 5x=145 x=145:5 x=29 f)8+13x=2x+41 11x=41-8 11x=33 x=33:11 x=3

victorasdelaoras
2015-11-13 18:47:47

a) x+5×161=895 x+805=895 x=895-805 x=90 b) x-53×(49-36)=996 x-53×13=996 x-689=996 x=996+689 x=1585 c) 53+2×x=x+111 x=111-53 x=58 e) 32+6x=11x-113 5x=113+32 5x=145 x=145:5 x=29 f)8+13x=2x+41 11x=41-8 11x=33 x=33:11 x=3

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