Turn equation around: 7u-9-12u=26 Combine like terms: -12u+7u=-5u This turns equation into: -5u-9=26 Add -9 to both sides: -5u-9=26 +9=+9 - and + cancel out -5u=35 Divide by -5 to get “u” by itself: -5u=35 ———— -5 And -5 cancel making -5 =-5 “u” By itself
