Question: The value of x, for which the expressions 3x – 4 and 2x + 1 become equal, is
(a) -3
(b) 0
(c) 5 x
(d) 1
Solution:
(c) Given expressions 3x – 4 and 2x + 1 are equal.
Then, 3x-4 = 2x + 1
3x- 2x = 1 + 4 [transposing 2x to LHS and -4 to RHS]
x = 5Hence, the value of x is 5.
