Step-by-step explanation:
log(3) 27 = 3x=27 3x=3 exponent 3= x=3 answer is 3log(12) 1 = its zero because every 1 exponent is 0 the answer is 0log(5) 1/25 = 5x = 1/25 5x-2 x= -2 the answer is -2 log(2) 128= 2x= 128 2x= 27 2x=2 exponent 7 = x=7 the answer is 7