Question

the sum of 2 numbers is 30. One number is 12 less than twice the other number. Find the 2 numbers. Make sure to show your complete process.

Answer 1

14 and 16

Explanation:

Equations:

x + y = 30

x = 2y - 12

Substitute:

2y - 12 + y = 30

Solve:

3y - 12 = 30

3y = 30 + 12

3y = 42

y = 14

Solve for x:

x + 14 = 30

x = 30 -14

x = 16