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Question

Mathematics Question on Solving Equations having the Variable on both Sides

Solve and check result: 2x1=14x2x - 1 = 14 - x

Answer

2x1=14x2x - 1 = 14 - x
Transposing xx to L.H.S and 11 to R.H.S, we obtain
2x+x=14+12x + x = 14 + 1
3x=153x = 15
Dividing both sides by 33, we obtain
x=5x = 5
\Rightarrow L.H.S = 2x12x - 1
= 2×(5)12 \times (5) - 1
= 101=910 - 1 = 9
\Rightarrow R.H.S = 14x14 - x
= 145=914 - 5 = 9
L.H.S. = R.H.S.

Hence, the result obtained above is correct.