Question

5^x+2_ 50=75

Answer 1

5^x+2-50=75

5^x+2=75+50

5^x+2=125

5^x+2=5^3

suy ra x+2=3

            x=3-2

            x=1

vậy x=1

k mk nha

Answer 2

\(5^{x+2}=75+50=125=5^3\Rightarrow x+2=3\Rightarrow x=3-2=1\)

x=1

Answer 3

\(5^{x+2}-50=75\)

\(5^{x-2}=75+50\)

\(5^{x-2}=125\)

\(5^{x-2}=5^3\)

\(\Rightarrow x-2=3\)

\(x=3+2\)

\(x=5\)