\(2^x-10=17\)
\(2^x=17-10\)
\(2^x=7\)
\(\Rightarrow x\in\left\{rỗng\right\}\)rỗng nha
\(2^x-15=17\\ 2^x=17-15\\ 2^x=2\\ x=2:2\\ x=1\)
2x = 17 + 15
2x = 32
2x = 2 x 2 x 2 x 2 x 2
vay x = 5
\(2^x-15=17\)
\(\Rightarrow2^x=17+15=32\)
\(\Rightarrow2^x=2^5\)
\(\Rightarrow x=5\)
Chinh xac 100%