the sum of 3 digits is 5. The first and last digits are the same. If the middle digit is exchanged with the first digit , the new number is 90 less than the original number. Find the original number.

unknown values: n

equation: n=100*x+10*y+z

equation: x+y+z=5

equation: x=z

equation: 100*y+10*x+z=n-90

answer: 212

The sum of 3 numbers is 34. The first number is 3 less than the second and the third is 4 more than the second.

unknown values: x,y,z

equation: x+y+z=34

equation: x+3=y

equation: z=y+4

answer: {8;11;15}

one number is six more than another number. The sum of the larger number and twice the smaller number is 12. Find the numbers.

unknown values: x, y

equation: x = y + 6

equation: x + 2*y = 12

answer: 8; 2

One number is 8 more than another number. If the sum of the smaller number and twice the larger number is 46, find the two numbers.

unknown values: x, y

equation: x = y + 8

equation: y + 2*x = 46

answer: 18; 10

one number is 8 more than another. if the sum of the smaller number and twice the larger number is 46, find the two numbers.

unknown values: x,y

equation: x = 8 + y

equation: y + 2*x = 46

answer: 18; 10

find three consecutive odd integers such that the largest decreased by three times the second is 47 less than the smallest

unknown values: 2*k+1,2*k+3,2*k+5

equation: 2*k+5-3*(2*k+3)=2*k+1-47

answer: 15;17;19

Find two consecutive odd integers whose sum is 0

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

equation: 2*k+1+2*k+3=0

answer: -1;1

The sum of two consecutive odd integers is 144. Find the integers.

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

equation: (2*k+1)+(2*k+3)=144

answer: 71; 73

one number is 12 more than half another number. the two numbers total 60. find the numbers.

unknown values: x,y

equation: x=12+y/2

equation: x+y=60

answer: {28;32}

four fifths of a number added to one half the number is equal to the sum of one tenth of the number and 1. what is the number?

unknown values: x

equation: 4/5*x+1/2*x= 1/10*x+1

answer: 5/6 | 0.833