1.2 (3) ^ x - 5 = 8.4
1.2 (3) ^ x = 13.4
3^x = 11.17
log (3^x) = log 11.17
x log 3 = log 11.17
x = log 11.17/log 3
x = 2.2
Gia K.
asked • 03/02/211.2 (3)^x - 5 = 8.4
Without using trig or calc methods, thanks!
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