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Download Name___________________________________________ Date_________________________ Algebra I – Pd ____ Complex Equations
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Name___________________________________________ Date_________________________ Algebra I – Pd ____ Complex Equations 2A Equations with more than one x on the same side of the equal sign: You need to simplify (combine like terms) and then use the same steps as a multi-step equation. 9x + 11 – 5x + 10 4x + 21 -21 4x 4 x = -15 = -15 -21 = -36 4 = -9 1st – combine like terms Now it looks like a multistep equation that we already did Use subtraction to get rid of the addition. Now divide to get rid of the multiplication Then we check the answer by putting it back in the original equation: 9 (-9) + 11 – 5(-9) + 10 = -15 -81 + 11 + 45 + 10 = -15 - 15 = - 15 Solve the Multi-Step Equations and check: 1) 15x – 24 – 4x = – 79 2) 102 = 69 – 7x + 3x 3) 3x + 15 + 4x = – 13 4) 3(4x – 5) + 2(11 – 2x) = 43 5) 9(3x + 6) – 6(7x – 3) = 12 6) 7 – 3(x – 1) = – 17 7) 5(3a + 1) – 2(a + 1) = 7 8) 3(3x + 1) – 8x = 19 9) 5 = 4(3 + x) – 5x 10) 2(3x – 5) + 12 = 0 13 11) 7(4x – 5) – 4(6x + 5) = –91 12) 3(1 – 2x) + 8 = – 13) 3(2y + 5) – 8y = 1 14) 3(2x - 5) – 4x = 33 15) 3m + 2(8 – m) = 3