Question

Is x equals negative 1 a solution to the equation -4x + 9 equals 13

Answer 1

-4x + 9 = 13

-4x = 4

x = -1

Answer is Yes

x = - 1 is a solution

Answer 2

yes it is, -4x+9=13, subtract 9 from both sides, -4x=4, divide by negative 4 from both sides, x= -1. Hope I helped!