1. x+(x-12)=84. This will find the value of x 2x-12=84 2x(-12+12)=(84+12) 2x=96 (12 has been moved) x=(96÷2) (divide both sides by 2) x=48 use the top equation to insert x value and verify answer
48+(48-12)=84 48+36=84
2. shoes=$42 2x-14=42 (shirt price) 2x(-14+14)=(42+14) gets rid of 14 2x=56 (divide both sides by 2) x=28
Number inserted to verify solution 2(28)-14=42 shirt 56-14=42 42=42 shirt price was $28
