Who wants to zoom with me hello guys

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

If square root x = -7, then x= -49 true or false

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list