the sum of two numbers is 9 and the difference is 5
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Answered by
1
Answer:
equations by "adding" the two equations.
x + y = 9
+(x - y = 5)
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2x + 0y = 14
2x = 14
x = 7
Plug this value for x into either of the two equations and solve for y to find the value of the other number.
x + y = 9
7 + y = 9
y = 2
***THEREFORE, THE NUMBERS ARE TWO AND SEVEN.
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Answered by
0
Answer:
sum of two numbers =9=a+b
difference of two numbers=5=a-b
a+b=9
a-b =5
2a=14
a=14/2
=7
a+b=9
7+b=9
b=9-7
b=2
a=7, b=2
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