Answer:
=3^x +12x -4
Step-by-step explanation:
f(x)=3^x+10x
g(x)= 2x-4,
(f+g)(x) = 3^x+10x+ 2x-4,
Combine like terms
=3^x +12x -4
Multiplying through by 8 we get
2x + 8 = 3x
8 = 3x - 2x
x = 8 (answer)
1, 1.5 is the answer I think
If his age is a
400 reduced by 3 times my age is 163 means
400-3a=163
minus 300 from both sides
-3a=-237
divide both sides by -3
a=79
his age was 79 at the time of the quote