"""
7^2x-3 +15 = 4567
-15
7^2x-3 = 4552
log (crazy switch)
log7(4552) = 2x-3
divide 2 and +3
log7(4552) +3/2 = x
Calculate
x = 3.664
4e^x+8 - 12 = 896
+12
4e^x+8 = 908
divide 4
e^x+8 = 227
ln
ln(227)=x+8
-8
ln(227)-8
calculate
x = -2.575
6^x/5 - 15 = 22
+15
6^x/5 = 37
log
log6(36)=x/5
5 * log6(36) = x
x = 10.076
9/2e^x+8 + 1 = 757
- 1
9/2e^x+8 = 756
divide 9/2
e^x+8 = 168
ln(168) = x+8
-8
ln(168)-8 = x
x = -2.876
"""