{48+50x100:(28:a+3x2)-14}x{(50-4x5)+(143-4x6)}=42316
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{48 + 5000 : (28:a + 6) - 14} x {(50-20) + (143-24) = 42.316
[48 + 5000 : (28:a + 6) -14] x (30 + 119) = 42316
[48+5000: (28:a+6)-14]= 42.316:149
[48+5000: (28:a+6)-14] = 284
5000: (28:a+6)= 284 - 48 + 14
5000 : (28:a + 6) = 250
28:a + 6= 5000 : 250
28:a + 6 = 20
28:a = 20-6
28:a = 14
a = 28:14
a = 2
[48 + 5000 : (28:a + 6) -14] x (30 + 119) = 42316
[48+5000: (28:a+6)-14]= 42.316:149
[48+5000: (28:a+6)-14] = 284
5000: (28:a+6)= 284 - 48 + 14
5000 : (28:a + 6) = 250
28:a + 6= 5000 : 250
28:a + 6 = 20
28:a = 20-6
28:a = 14
a = 28:14
a = 2
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