Question

(10 + 2x) . 4 mũ 2011 = 4 mũ 2013

Tìm x ạ

Answer 1

(10+2x).4^2011=4^2013

=>10+2x=4^2013/4^2011=4^2=16

=>2x=16-10=6

=>x=6/2

=>x=3

Answer 2

\(\left(10+2x\right).4^{2011}=4^{2013}\)

\(\left(10+2x\right)=4^{2013}\div4^{2011}\)

\(10+2x=4^2\)

\(2x=4^2-10\)

\(2x=16-10\)

\(2x=6\)

\(x=6\div2\)

\(x=3\)