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شائع Word Problems >

twice the difference of a number and 9 equals 3

الحلّ

tw i ce t h e d i ff ere n ce o f a n u mb er an d 9 e q u a l s 3

الحلّ

The number : 10 \frac{1}{2}

خطوات الحلّ

Represent the number with

x

A.T.Q.:

2 (x - 9) = 3

2 (x - 9) = 3, x

حلّ لـ:

x = \frac{21}{2}

حوّل من كسر تخيّليّ لعدد مختلط:

\frac{21}{2} = 10 \frac{1}{2}

The number : 10 \frac{1}{2}

أمثلة شائعة

Four more than the product of a number and 8 is 5.Henry has 3,261 in an account. The interest rate is 5% compounded annually.To the nearest cent, how much interest will he earn in 1 year?twice the difference of a number and 8 is 6 twice the difference of a number and 8 is 7 twice the difference of a number and 8 is 2