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the equation is
-5x-2=-7
if x =1
-5×1-2=-7
-5-2=7
-7=-7
-5x-2=-7
if x =1
-5×1-2=-7
-5-2=7
-7=-7
harshita114:
please mark my answer as brainlist
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Answered by
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Before solving this question, let me give the definition of terms used in this question.
Rational number : A number that can be written in the form ( p/q ), where q ≠ 0.
If ( p/q) is in its standard form then p and q will be co-prime numbers.
Now,
Let, the two numbers are x and y.
Given,
⇒Product of numbers = -7
One of them is ( -5 ), let x is ( -5 ).
⇒ xy = -7
⇒ ( -5 ) y = -7
⇒ y = ( -7 ) ÷ ( -5 )
•°• y = ( 7/5 )
Hence,the other number is ( 7/5 ).
Verification :
R.H.S = -7
L.H.S = ( 7/5 ) × ( -5 )
= ( 7 × -5 ) / 5
= ( 7 × -1 )
= -7
•°• R.H.S = L.H.S
Verified !!
Rational number : A number that can be written in the form ( p/q ), where q ≠ 0.
If ( p/q) is in its standard form then p and q will be co-prime numbers.
Now,
Let, the two numbers are x and y.
Given,
⇒Product of numbers = -7
One of them is ( -5 ), let x is ( -5 ).
⇒ xy = -7
⇒ ( -5 ) y = -7
⇒ y = ( -7 ) ÷ ( -5 )
•°• y = ( 7/5 )
Hence,the other number is ( 7/5 ).
Verification :
R.H.S = -7
L.H.S = ( 7/5 ) × ( -5 )
= ( 7 × -5 ) / 5
= ( 7 × -1 )
= -7
•°• R.H.S = L.H.S
Verified !!
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