LESSON 4: EXPONENTIAL EQUATIONS

Introduction
An equation is called an exponential eqution when it has an unknown variable as an index(exponent).Remember that in solving such equations  you must consider the fact that if bn=bm



Lesson Content
Find the value of x in the following: Solution
 * 1) 23x-1=4x+3
 * 2) 4x+2=x-1
 * 3) 8x=0.25
 * 1) 23x-=4x+3
 * 23x-1=(22)x+4
 * 23x-1=22(x+3)
 * 3x-1=2(x+3)
 * 3x-1=2x+6
 * x=7
 * 1) 4x+2=<8 x-1
 * (22)x+=(23)x-i

Title

Issesay 16:05, 26 February 2007 (CET)