Do Now Solve. 1. –8p – 8 = 56 2. 13d – 5 = 60 3. 9x + 24 = 60 4. k 7 + 4 = 11 k = 49 z 4 5. 19 + = 24 z = 20

Homework page 470 24) -24 25) 2 26) 180 27) 20 28) -70 29)-9 30) 66 31) 2 32) -1

Learn to solve multi-step equations.

Example A Solve 12 + 10b -7b = 18. 12 + 10b -7b = 18 12 + 3b = 18 Combine like terms. – 12 – 12 Subtract 12 from both sides. 3b = 6 3b = 6 Divide both sides by 3. 3 3 b = 2

Example B Solve 2 – 7n +14n = 37. 2 -7n + 14n = 37 2 + 7n = 37 Combine like terms. – 2 – 2 Subtract 2 from both sides. 7n = 35 7n = 35 Divide both sides by 7. 7 7 n = 5

Example B Solve -27 = -3p + 15 – 3p -27 = -3p + 15 – 3p -27= -6p + 15 Combine like terms. – 15 – 15 Subtract 15 from both sides. -42 = -6p -42 = -6p Divide both sides by -6. -6 -6 7 = p

You try 1 14 – 8b + 12b = 62 14 – 8b + 12b = 62 14 + 4b = 62 Combine like terms. – 14 – 14 Subtract 14 from both sides. 4b = 48 4b = 48 Divide both sides by 4. 4 4 b = 12

m + 29 + 8m = 110 You try 2 9m + 29 = 110 Combine like terms. – 29 – 29 Subtract 29 from both sides. 9m = 81 9m = 81 Divide both sides by 9. 9 9 m = 9

Practice on your own 3. –f – 13 + 15f = 71 4. c + 21 + 5c = 63 5. –x – 11 + 17x = 53 6. 59 = w – 16 + 4w