How do you solve 8a=−40? Algebra Linear Equations Two-Step Equations and Properties of Equality 1 Answer Bill Jorgensen May 19, 2018 a=−5 Explanation: 8a=−40 first we need to isolate a so let's divide both sides of the equation by 8: 8a8=−408 okay 88=1 and −408=−5 so: 1⋅a=−5 and 1⋅a is just a so: a=−5 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=23? How do you solve 0.1y+11=0? How do you solve 5q−712=23? See all questions in Two-Step Equations and Properties of Equality Impact of this question 2010 views around the world You can reuse this answer Creative Commons License