Question

Calculati 2^2016+2^2017=x*2^2016

Answer 1

2^2016+2^2017=x*2^2016
2^2016(1+2)=x*2^2016
2^2016*3=x*2^2016 => x=3

Answer 2

2²⁰¹⁶+2²⁰¹⁷=x·2²⁰¹⁶
2²⁰¹⁶·(1+2)=x·2²⁰¹⁶
2²⁰¹⁶·3=x·2²⁰¹⁶
=>x=3