2.3 – Solving Multi-Step Equations. Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21.

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Presentation transcript:

2.3 – Solving Multi-Step Equations

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p)

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p)

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) +

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) +

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) + -7(8)

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) + -7(8)

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) + -7(8) = 21

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) + -7(8) = 21 -7p

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) + -7(8) = 21 -7p - 56

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) + -7(8) = 21 -7p - 56 = 21

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) + -7(8) = 21 -7p - 56 = 21

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) + -7(8) = 21 -7p - 56 = 21

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) + -7(8) = 21 -7p - 56 =

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) + -7(8) = 21 -7p - 56 =

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) + -7(8) = 21 -7p - 56 =

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) + -7(8) = 21 -7p - 56 =

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) + -7(8) = 21 -7p - 56 = p + 0 = 77

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) + -7(8) = 21 -7p - 56 = p + 0 = 77 -7p = 77

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) + -7(8) = 21 -7p - 56 = p + 0 = 77 -7p =

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) + -7(8) = 21 -7p - 56 = p + 0 = 77 -7p =

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) + -7(8) = 21 -7p - 56 = p + 0 = 77 -7p = p = -11

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) + -7(8) = 21 -7p - 56 = p + 0 = 77 -7p = p = -11 Ex. 2 -4(p - 5) = 12

Note: REVERSE Order of Operations! Ex. 1 -7(p + 8) = 21 -7(p) + -7(8) = 21 -7p - 56 = p + 0 = 77 -7p = p = -11 Ex. 2 -4(p - 5) = 12 -4(p) – -4(5) = 12 -4p + 20 = p + 0 = -8 -4p = p = 2