Question
Solve the equation
x=1
Evaluate
log2(43x−1)=25log5(2)
Evaluate the logarithm
More Steps

Evaluate
log2(43x−1)
Write the number in exponential form with the base of 2
log2(22(3x−1))
Use logaan=n to simplify the expression
2(3x−1)
2(3x−1)=25log5(2)
Transform the expression
More Steps

Evaluate
25log5(2)
Write the number in exponential form with the base of 5
(52)log5(2)
Transform the expression
52log5(2)
Use nlogau=logaun to transform the expression
5log5(22)
Use alogau=u to transform the expression
22
2(3x−1)=22
Divide both sides
22(3x−1)=222
Divide the numbers
3x−1=222
Divide the numbers
More Steps

Evaluate
222
Use the product rule aman=an−m to simplify the expression
22−1
Subtract the terms
21
Simplify
2
3x−1=2
Move the constant to the right side
3x=2+1
Add the numbers
3x=3
Divide both sides
33x=33
Divide the numbers
x=33
Solution
More Steps

Evaluate
33
Reduce the numbers
11
Calculate
1
x=1
Show Solution
