How do you solve #x+9+12x-15=-7#? Algebra Linear Equations Two-Step Equations and Properties of Equality 1 Answer Aliya M. · Stefan V. Nov 5, 2017 #x = -1/13# Explanation: Simplify #x+12x + 9 - 15 = - 7 # #13x - 6 = - 7 # Rearrange #13x - 6 + 7 = - 7 + 7# #13x + 1 = 0 # #13x = -1# #x = -1/13# Answer link Related questions How do you solve two step equations? How do you check solutions to two step equations? What is an example of a two step equation with no solution? How do I check to see if the solution is 1 for the equation #2x+1=3#? Is there more than one way to solve a 2 step equation? How do you solve #-m+3=3#? How do you solve #-5y-9=74#? How do you solve #5q - 7 = \frac{2}{3}#? How do you solve #0.1y + 11 =0#? How do you solve #\frac{5q-7}{12} = \frac{2}{3}#? See all questions in Two-Step Equations and Properties of Equality Impact of this question 1484 views around the world You can reuse this answer Creative Commons License