The sum of two numbers is 31. Their difference is 9. What are the two numbers?

unknown values: x, y

equation: x + y = 31

equation: x - y = 9

answer: {20; 11}

A+B = 22 and A - B = 4, so what is the value of A and B?

unknown values: a, b

equation: a + b = 22

equation: a - b = 4

answer: 13; 9

1405 is the sum of 2 consecutive numbers. What are they?

unknown values: x, y

equation: x + 1 = y

equation: 1405 = x + y

answer: 702; 703

the sum of two numbers is 90. their difference is 18. find the numbers?

unknown values: x, y

equation: x + y = 90

equation: x - y = 18

answer: {54; 36}

Find two numbers whose sum is 64 and whose difference is 8 .

unknown values: x, y

equation: x + y = 64

equation: x - y = 8

answer: {36; 28}

The sum of two numbers is 48, and their difference is 24. What are the numbers?

unknown values: m,n

equation: m+n=48

equation: m-n=24

answer: {36; 12}

The difference between two number is 9. Find the numbers, if their sum is 46.

unknown values: x,y

equation: x - y = 9

equation: x + y = 46

answer: {55/2; 37/2} | {27.5; 18.5}

One number is three less than another. Their sum is eleven. Find the numbers.

unknown values: x,y

equation: x = y - 3

equation: x + y = 11

answer: {4; 7}

Find two consecutive integers such that the sum of 2 times the first integer and 4 times the second integer is 46.

unknown values: x+1

equation: 2*x+4*(x+1)=46

answer: 7; 8

Find four numbers, the sum of which is 45, so that if 2 is added to the first #, 2 is subtracted from the second #, the third is multiplied by 2 and the fourth # is divided by 2, then the four numbers produced are all the same.

unknown values: x,y,z,w

equation: x+y+z+w=45

equation: x+2=y-2

equation: x+2=w/2

equation: x+2=2*z

answer: 8; 12; 5; 20