Log (4x+2) - 2log (3) + = 1

Log (4x+2) - 2log (3) = 1

log (4x+2) - log 3²=1 (b*logva x=logva x^b)

log (4x+2) - log 9=1 (logva b - logva c=logva (b/c))

log (4x+2) / 9=1 ⇔10¹ = (4x+2) / 9

(4x+2) / 9=10

4x+2=90

4x=90-2

4x=88

x=88/4

x=22

Answer: x=22