SOLUTION: The sum of a certain number and a second number is -42. The first number minus the second is 52. Find the numbers
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Question 505726: The sum of a certain number and a second number is -42. The first number minus the second is 52. Find the numbers
Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
x + y = -42
x - y = 52
.
add the equations
.
2x = 10
x = 5
.
substitute x = 5
.
5 + y = -42
y = -47
.
Check your answer using the other equation.
.
x -y = ?
5 -(-47) = 5+47 = 52
correct.
.
Answer: The two numbers are 5 and -47.
.
Done.
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