if we add 7 to twice a number, we get 49 find yhe number
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7 + 2x = 49
x = 7/ 2 this is answer
x = 7/ 2 this is answer
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LET the no. be x
therefore, acc. to condition
2x+7=49
so,2x=49-7
so,x=42/2
=21
therefore x=21
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