Question

3.5^x +110 = 185

Answer 1

\(\Leftrightarrow3\cdot5^x=75\Leftrightarrow5^x=25=5^2\Leftrightarrow x=2\)

Answer 2

\(\Leftrightarrow3.5^x=75\\ \Leftrightarrow5^x=25\\ \Leftrightarrow5^x=5^2\\ \Leftrightarrow x=2\)

Answer 3

x=2

Answer 4

x=2

Answer 5