Question

find the value of x so that (-7)^x+1*(-7)^7=(-7)^19​

Answer 1

Answer:

x = 11

Step-by-step explanation:

(-7)^x+1*(-7)^7=(-7)^19​                      

or, (-7)^(x+1+7) = (-7)^19​                                        

or, x+8=19

or, x = 11