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شائع Word Problems >

Two times the sum of a number and 5 is equal to 7

الحلّ

Tw o t im es t h e s u m o f a n u mb er an d 5 i s e q u a l t o 7

الحلّ

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

خطوات الحلّ

Represent the number with

x

A.T.Q.:

2 (x + 5) = 7

2 (x + 5) = 7, x

حلّ لـ:

x = - \frac{3}{2}

حوّل من كسر تخيّليّ لعدد مختلط:

\frac{3}{2} = 1 \frac{1}{2}

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

أمثلة شائعة

Eleven times the difference of three times a number and 4 is more than-11 The product of a number and 5 is 25.8 more than 7 times a number Rachel deposited 10 in an account earning 5% interest compounded annually.To the nearest cent, how much interest will she earn in 3 years?If a gorilla doll that costs 3.50 from the supplier is marked up 42%, what is the selling price?