Question 50
Solve the following:
5x2x−1=2
5x2x−1=2⇒5x=2(2x−1)⇒5x=4x−2⇒5x−4x=−2∴x=−2
Question 73
5x+12x=−13
Solve the following question to find the value of 'x': 2(x+3)−3x+5=2+5x