Question

1000 = 2 to the power x + 5 to the power x. find the value of x using laws of exponent​

Answer 1

Answer:

$x = 3$

Step-by-step explanation:

${2}^{x} + {5}^{x} = 1000 = {2}^{3} + {5}^{3}$

then comparing ,

x=3