Answer:
9
Step-by-step explanation:
cause it said by 3 times
x=55
2x-7=103
2x=103+7
2x=110
To write this expression as a positive exponent we use this rule of exponents: x^color(red)(a) = 1/x^color(red)(-a) 5^-3 = 1/5^(- -3) .
-4
mark branliest :))
