Question

please give me solution of this question


Iwill make you brainleast ​

Answer 1

Answer:

1) 9m=81

given m=9

therefore

9×9=81

81=81

hence m=9 is a solution of the equation 9m=81

2) 2a+4=0

given a=-2

2×-2+4=0

-4+4=0

cancelling both 4 or subtract simply

0=0

hence a=-2 is a solution of the equation 2a+4=0