Which equation is equivalent to the given equation? 7m + 11 = -4(2m + 3)

A. -m = = 1

B. -15 m = -23

C. -m = -1

D. 15m = -23

Please HELP

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

The square root of 9x plus 7 plus the square rot of 2x equall to 7

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?