How do you solve #9x+12 = 4x+7#? Algebra Linear Equations Multi-Step Equations with Like Terms 1 Answer Veddesh #phi# Mar 2, 2016 #x=-1# Explanation: #9x+12=4x+7# Subtract both sides by #4x# #rarr9x+12-4x=4x+7-4x# #rarr5x+12=7# #rarr5x=7-12# #rarr5x=-5# #rArrx=-5/5=-1# Verify #9(-1)+12=4(-1)+7# #-9+12=-4+7# #3=3# #:.x=-1# Answer link Related questions How do you solve multi step equations by combining like terms? How do you solve multi step equation #w + w + 12 = 40#? How do you solve #3p + 4p + 37 = 79#? How do you solve for f: #f-1+2f+f-3=-4#? How do you combine like terms? How do you combine like terms for #-7mn-2mn^2-2mn + 8#? How do you combine like terms for #3x^2 + 21x + 5x + 10x^2#? What is a term? How do you solve #3v+5-7v+18=17#? How do you solve for x in #5x + 7x = 72#? See all questions in Multi-Step Equations with Like Terms Impact of this question 1307 views around the world You can reuse this answer Creative Commons License