SOLUTION: Solve log (8x + 15)=1

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Question 405740: Solve log (8x + 15)=1

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

log+%288x+%2B+15%29=1 ....base is 10, so
%288x+%2B+15%29=10%5E1
8x%2B+15=10
8x=10-15
x=-5%2F8+=+-0.625


8x+%2B+15=8%2A%28-0.625%29+%2B15=+5%2B15=10......so, log+%2810%29=1