find the sum of the first 100 odd numbers?

find the sum of the first 100 odd numbers?

unknown values: x

equation: x = (1 + (2*100-1))*100/2

answer: 10000

What is the sum of the first 85 consecutive odd numbers?

unknown values: x

equation: x = 85*(1+(2*85-1))/2

answer: 7225

find 2 integers whose sum is -18 and whose product is 45

unknown values: x,y

equation: x+y=-18

equation: xy=45

answer: {-3; -15}

two negative integers have a sum of -13 and a product of 42. what are the integers?

unknown values: x,y

equation: x+y=-13

equation: xy=42

answer: {-7; -6}

The sum of five consecutive integers is 40. What is the smallest of the integers?

unknown values: x-2

equation: (x-2)+(x-1)+x+(x+1)+(x+2)=40

answer: 6

Find four consecutive integers whose sum is -38.

unknown values: x-1,x,x+1,x+2

equation: (x-1)+x+(x+1)+(x+2)=-38

answer: -11; -10; -9; -8

Find three consecutive odd integers such that the product of the first and second exceeds the third by 8.

unknown values: x,x+2,x+4

equation: x(x+2)-8=x+4

answer: 3; 5; 7

find three consecutive positive integers such that the product of the first and the third is 29 more than the second.

unknown values: x,x+1,x+2

equation: x(x+2)-29=x+1

equation: x>0

answer: 5; 6; 7

Find three consecutive positive even integers such that the product of the second and third integers is twenty more than ten times the first integer.

unknown values: x,x+1,x+2

equation: (x+1)(x+2)-20=10*x

equation: x>0

answer: 6; 8; 10

find three consecutive positive integers such that the product of the second and third integers is twenty more than ten times the first integer

unknown values: x,x+1,x+2

equation: (x+1)(x+2)-20=10*x

equation: x>0

answer: 9; 10; 11