Question

Find x in the following equation ​

Answer 1

Answer:

-(5/2) or -(2.5)

Step-by-step explanation:

using formulas

a^(m)÷a^(n) = a^(m-n) in L.H.S

(a^(m))^(n) = (a)^(m*n) in R.H..S

and finally

a^(m) = a^(n) then m = n

so,

-2x +1 +1 = 7

-2x = 5

x = -(5/2)

(or)

x = -(2.5)