Question

8x-9=11x+12 solve

Answer 1

8x - 11x = 12 + 9
-3x = 21
x = -7

Answer 2

transpose 11x to left hand side
8x-11x-9=12
\[-3x-9=12\]
\[-3x=12+9\]
\[-3x=21\]
\[x=21/-3\]
\[x=-7\]

Answer 3

subtract the 11x and add the 12. divide by -3 and you'll get -7.