Question

determinati numarulx stiind ca : 2•x=28, x•5=35, x•7=182, 36•x=324, 12•x=144, x•4=156, x:6=1751, x:19=57, 1157:x=13, x:15=15, x:10=1000, x:5=100

Answer 1

2x=28
x=14
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5x=35
x=7
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7x=182
x=26
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36x=324
x=9
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12x=144
x=12
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4x=156
x=39
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x:6=1751
x=1751*6=10506
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x:19=57
x=57*19
x=1083
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1157:x=13
13x=1157
x=89
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x:15=15
x=15*15=225
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x:10=1000
x=10000
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x:5=100
x=500