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شائع Word Problems >

twice the difference of a number and 8 is 5.

الحلّ

tw i ce t h e d i ff ere n ce o f a n u mb er an d 8 i s 5.

الحلّ

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

خطوات الحلّ

Represent the number with

x

A.T.Q.:

2 (x - 8) = 5

2 (x - 8) = 5, 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

5 times a number plus two equals eight Dana opened a savings account and deposited 800.00 as principal. The account earns 7% interest, compounded quarterly. What is the balance after 4 years?The circumference of a circle is 138.16 millimeters. What is the circle's diameter?If a sphere has volume 7776pi cubic kilometers, what is its radius?Given the formula A = Pe^{rt}, find the amount of money accumulated if you invested 85,000 at 7.3% interest for 10 years compounded continuously