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شائع Word Problems >

Some number times −7 is equal to the number increased by −15

الحلّ

S o m e n u mb er t im es - 7 i s e q u a l t o t h e n u mb er in cre a se d b y - 15

الحلّ

The number : 1 \frac{7}{8}

خطوات الحلّ

Represent the number with

x

A.T.Q.:

x (- 7) = x + (- 15)

x (- 7) = x + (- 15), x

حلّ لـ:

x = \frac{15}{8}

حوّل من كسر تخيّليّ لعدد مختلط:

\frac{15}{8} = 1 \frac{7}{8}

The number : 1 \frac{7}{8}

أمثلة شائعة

Find the length of the diagonal of a square that has an area of 12cm^2 The compound interest formula is given by where is the accumulated amount, after an initial investment of dollars is invested for years, at annual interest rate , compounded times per year.Use the formula above to determine how long it will take an initial investment of 12,750 to grow to 36,975, if the account earns 11.5% interest per year, compounded quarterly. Round the solution to two decimal places.Dakota opened a savings account and deposited 1,623.00 as principal. The account earns 14% interest, compounded monthly. What is the balance after 3 years?Zack puts 500.00 into an account to use for school expenses. The account earns 12% interest, compounded annually. How much will be in the account after 10 years?Six less than twice a number x is four.