SOLUTION: 4BC +BB7 ——— QPQP Find B and C

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Question 1132185: 4BC
+BB7
———
QPQP
Find B and C

Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!

..
+
———


Find and

for now, could be any digit from

=> since it is 4-digit number, must be when is

take a closer look at => 1st and third digit are same , second and fourth digit are same

since , when adding tents we will have one to cary and add it to hundreds, so we will

have
then, we know=> and ; so,

only if , , we will have
check:
..
+
———



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