Question

please solve this problem please chapter exponents and powers ​

Answer 1

Answer:

Answer is already solved . please explain us clearly

Answer 2

1.)

${2}^{3} + {2}^{x} = {2}^{4} \\ {2}^{x} = {2}^{4} - {2}^{3} \\ {2}^{x} = 16 - 8 \\ {2}^{x} = 8 \\ {2}^{x} = {2}^{3} \\ x = 3$