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Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solv...Asked by Anonymous
Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve for the unknown variable(s).
The sum of two numbers is 36. Their difference is 4. Determine the two unknown numbers.
The sum of two numbers is 36. Their difference is 4. Determine the two unknown numbers.
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Answered by
oobleck
x+y = 36
x-y = 4
add to get
2x = 40
now it's all easy
x-y = 4
add to get
2x = 40
now it's all easy