Question
Solve the inequality
x<−3log2(5)
Alternative Form
x∈(−∞,−3log2(5))
Evaluate
log10(2)×(3−x)>3
Divide both sides
log10(2)log10(2)×(3−x)>log10(2)3
Divide the numbers
3−x>log10(2)3
Move the constant to the right side
−x>log10(2)3−3
Subtract the numbers
More Steps

Evaluate
log10(2)3−3
Reduce fractions to a common denominator
log10(2)3−log10(2)3log10(2)
Write all numerators above the common denominator
log10(2)3−3log10(2)
Rewrite in terms of common logarithms
More Steps

Evaluate the logarithm
3−3log10(2)
Rewrite in terms of common logarithms
log10(1000)−3log10(2)
Calculate
log10(1000)+log10(2−3)
Use the logarithm product rule
log10(1000×2−3)
Evaluate the logarithm
log10(125)
log10(2)log10(125)
Use the logarithm base change rule
log2(125)
−x>log2(125)
Change the signs on both sides of the inequality and flip the inequality sign
x<−log2(125)
Solution
More Steps

Evaluate
−log2(125)
Write the number in exponential form with the base of 5
−log2(53)
Use logabn=nlogab to simplify the expression
−3log2(5)
x<−3log2(5)
Alternative Form
x∈(−∞,−3log2(5))
Show Solution
