Find the value of ‘x’ from the equation, 7(x - 5) + 20 = 6 using the method of transposition.

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Solution

7(x - 5) + 20 = 6

Transpose 20 to the RHS:

7(x - 5) = 6 – 20

7(x - 5) = -14

Transpose 7 to the RHS:

x - 5 = $\frac{- 14}{7}$

x – 5 = -2

Transpose -5 to the RHS:

x = -2 + 5

x = 3

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