which equations have infinitely many solutions select two that apply

a. 6 ( x - 9 ) = 6x - 54 + x
b. 5 ( x - 8 ) + 10 = 5 ( x + 2 )
c. 20 - 8x - 6 = 2 ( 7 - 4x )
d. 4 ( x + 4 ) = 2 ( 2x + 5 ) + 6

1 answer

a. 6 ( x - 9 ) = 6x - 54 + x
d. 4 ( x + 4 ) = 2 ( 2x + 5 ) + 6