If #3 (x + 10) = 15# , what is the value of x ? Algebra Linear Equations Two-Step Equations and Properties of Equality 1 Answer Guillaume L. Apr 4, 2018 #x=-5# Explanation: #3(x+10)=15# #3*x+3*10=15# #3x+30-30=15-30# #3x=-15# #x=-5# \0/ here's our answer ! 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 5903 views around the world You can reuse this answer Creative Commons License