A number is 7 less than twice the other number.If the sum of the two number is 200,find the smaller number
Answers
Answered by
2
Answer:
Let
x
be the bigger number and let
y
be the smaller number.
x
+
y
=
27
x
=
2
y
+
6
Once you see those, it's quite clear that this is a simple substitution problem. So, let's solve for
y
first:
2
y
+
6
+
y
=
27
And then let's substitute it in for the first number:
3
y
+
6
−
6
=
27
−
6
3
y
=
21
y
=
7
And then to solve for
x
:
x
+
7
=
27
x
+
7
−
7
=
27
−
7
x
=
20
Step-by-step explanation:
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Answered by
1
Let the smaller number be x
the larger number be 2x-7
ATP
x+(2x-7) = 200
=) x+2x-7 = 200
=) 3x = 200+7
=) x = 207/3
=) x = 69
Ans:- The smaller number is 69.
The larger number is (138-7) = 131.
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