when 4 is added to 5 times a number,the number increases by 50. Find the number.

unknown values: n

equation: 5*n + 4 = n + 50

answer: 23/2 | 11.5

Find 3 consecutive odd integers such that the smallest is 10 more than the sum of the other two integers.

unknown values: 2*k-1,2*k+1,2*k+3

equation: (2*k-1)=10+(2*k+1+2*k+3)

answer: -16;-14;-12

The ten's digit of a certain two digit number is twice the units digit. If the number is multiplied by the sum of its digits the result is 63. Find the number.

unknown values: 10*x+y

equation: x=2*y

equation: (10*x+y)*(x+y)=63

answer: 21

The sum of three consecutive even numbers is 150. What is the product of the numbers.

unknown values: (2*k)(2*k+2)(2*k+4)

equation: 2*k+2*k+2+2*k+4=150

answer: 124800

The sum of two consecutive even number is 130. Find the product of the two numbers.

unknown values: 2*k*(2*k+2)

equation: 2*k+2*k+2=130

answer: 4224

The sum of two numbers is twice their difference. The larger number is 6 more than twice the smaller. Find the numbers.

unknown values: x,y

equation: x+y=2*(x-y)

equation: x=6+2*y

answer: {18; 6} | {18; 6} or {-18/5; -6/5} | {18; 6} or {-3.6; -1.2}

The sum of a number and 25 times its reciprocal is 10. Find the number.

unknown values: x

equation: x+25/x=10

answer: 5

the sum of a number and ten times its reciprocal equals seven? What is this number?

unknown values: x

equation: x+10/x=7

answer: 2 or 5

The Sum of a number and its reciprocal is 6.41. What is the number?

unknown values: n

equation: n + 1/n = 6.41

answer: 6.25 or 0.16 | 25/4 or 4/25

The sum of a number and its reciprocal is 13. Find this number.

unknown values: n

equation: n + 1/n = 13

answer: 12.923 or 0.0774