Solución
the sum of 2 times a number and 7 is equal to 9
Solución
Pasos de solución
Represent the number with
A.T.Q.:
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Ejemplos populares
The sum of three numbers is 15. The sum of twice the first number, 5 times the second number, and 6 times the third number is 56. The difference between 5 times the first number and the second number is 29. Find the three numbers.Evelyn placed 1,500 in a savings account which earns 5.2% interest, compounded annually. How much will she have in the account after 12 years?The perimeter of a rectangular table is 160 m.If its breadth is 40m find its length.A number is twice another number. Their sum is 36. What are the numbers?Judy opened a savings account and deposited 800.00 as principal. The account earns 4% interest, compounded monthly. What is the balance after 4 years?