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Math I: Unit 1 Steps to Solving Equations with Variables on Both Sides Step 1: Simplify Both Sides, if possible Distribute Combine like terms Example Problem: 3( 2 x 5) 4 x 13 3 x 8 Step 2: Move the variable to one side Add or Subtract Like Term Step 3: Solve for the variable Use opposite operations to cancel numbers Ex 1 Ex 3 3 x 12 14 5 x 4( 2 y 4) 5 y 2 Ex 2 4 x 16 22 7 x Ex 4 4 x 19 3 3( x 3) Types of Solutions • ONE Solution There is only one answer that makes the equation true (EX: x=3 This is the answer) • NO Solution There is no number that will satisfies both sides of the equation. Variables will cancel and a false statement is left. (EX: 5=3 Answer: No solution) • MANY Solutions Any number substituted for the variable will make the equation true. All variables will cancel and a true statement will be left. (EX: -2=-2 Answer: All real numbers) Practice: Solve each equation. #1 8 5y 7 2y #3 2m 5 5m 35 3m #2 2(9 x 8) 3(6 x 2) #4 3 ( 2 x 1) ( 3 x 6) x 10