Book: NCERT - Mathematics
Chapter: 2. Linear Equations in One Variable
Subject: Maths - Class 8th
Q. No. 7 of Exercises 2.3
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Solve the following equations and check your results.
L.H.S: x = 40
R.H.S: = 
Since L.H.S. = R.H.S
Hence, the solution is correct.
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