SOLUTION: the sum of two numbers is 11 and their difference is 6. find the number
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Question 927118
:
the sum of two numbers is 11 and their difference is 6. find the number
Answer by
MathLover1(20850)
(
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):
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the sum of two numbers,
and
, is
and their difference is
...eq.1
....eq.2
______________________
start with
...eq.1..solve for
...substitute in eq.2
....eq.2.solve for
now find
check:
...eq.1=>
=>
....eq.2=>
=>
