Simplify and solve the following linear equation.

Q.7   3(t – 3) = 5(2t + 1)

Answers (1)

Let us open the brackets :

   LHS :    3(t - 3) = 3t - 9

   RHS :    5(2t + 1) = 10t + 5

 The equation is  3t - 9 = 10t + 5

or                        -9 = 10t - 3t + 5

or                        -9 - 5  = 7t

or                            -14 = 7t 

Therefore              t = -2

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