Jika log (2x + 10)=2,nilai x adalah

log(2x + 10) = 2
log(2x + 10) = 2 . log10
log(2x + 10) = log 10²
log(2x + 10) = log 100

2x + 10 = 100
2x = 100 - 10
2x = 90
x = 45

log (2x + 10)=log 10^2
log (2x + 10)=log100
2x+10 = 100
2x=100-10
2x = 90
X= 90/2
X = 45