Write the equation and Solve. (SHOW EACH STEP & Check!) MSA 3.4a – Solving Equations Learning Target: I can write and solve symbolic equations with one variable. Homework: 1) Complete and Correct classwork. 2) Complete p. 9 puzzles and Correct. Warm Up: Write the equation and Solve. (SHOW EACH STEP & Check!)
Warm Up: 12 = 3x + 6 2x + 10 = 3x + 9 – 6 – 6 – 9 – 9 6 = 3x – 6 – 6 6 = 3x 3 3 2 = 1 x x = 2 2x + 10 = 3x + 9 – 9 – 9 2x + 1 = 3x –2x –2x 1 = 1x x = 1 Check: Check: 2(1) + 10 = 3(1) + 9 2 + 10 = 3 + 9 12 = 12 12 = 3(2) + 6 12 = 6 + 6 12 = 12
Build your own Solving Equations booklet:
= =
Layered Booklet ANSWER KEY:
Pg 2: How many coins in 1 pouch? = Pg 2: How many coins in 1 pouch? Explain how you find the number of coins in each pouch:
Write the equation and solve = On pg 3, Equation: Write the equation and solve 3x + 2 = x + 8 – 2 – 2 3x = x + 8 –x = –x 2x = 6 2 2 x = 3 10 = 3x + 4 – 4 = – 4 6 = 3x 3 3 2 = x x = 2
Check your answer through substitution. = On pg 4, Balance Check: Check your answer through substitution. 3(3) + 2 = 3 + 8 9 + 2 = 11 11 = 11 10 = 3(2) + 4 10 = 6 + 4 10 = 10
Practice: a. 2x + 11 = 4x + 3 b. 3x + 3 = 2x + 12 Check:
Remember to Check c. 11x + 1 = 5x + 13 d. 3x + 3 = 2x + 12 3x = x + 6 2n + 6 = 3n + 1 e. f. 2x + 6 = 6x +2 3a + 75 = 18a g. h. 5h = 4h + 5 9p + 2 = 6p + 20 i. j. k. l. 15x + 2 = 10x + 7 2n + 100 = 2.5n
c. 11x + 1 = 5x + 13 d. 3x + 3 = 2x + 12 Check:
3x = x + 6 f. 2n + 6 = 3n + 1 e. Check:
2x + 6 = 6x +2 3a + 75 = 18a g. h. Check:
5h = 4h + 5 9p + 2 = 6p + 20 i. j. Check:
k. l. 15x + 2 = 10x + 7 2n + 100 = 2.5n Check:
MSA 3.4a – Solving Equations Did I meet my Learning Target? I can write and solve symbolic equations with one variable. Homework: 1) Complete and Correct classwork. 2) Complete p. 9 puzzles and Correct.