Mathematics

Mathematics, 06.12.2019 06:31, manarsadi6

Me solve step by step and i need this within 30 minutes

Me solve step by step and i need this within 30 minutes

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Mathematics, 10.07.2019 22:00, alekvtaylor

Consider the sequence of steps to solve the equation: 2(x − 4) + 5x = 9x − 10 given ⇒ 2(x − 4) + 6x = 9x − 10 step 1 ⇒ 2x − 8 + 6x = 9x − 10 step 2 ⇒ 2x + 6x − 8 = 9x − 10 step 3 ⇒ 8x − 8 = 9x − 10 step 4 ⇒ 8x − 8x − 8 = 9x − 8x − 10 step 5 ⇒ 0 − 8 = x − 10 step 6 ⇒ −8 = x − 10 step 7 ⇒ −8 + 10 = x − 10 + 10 step 8 ⇒ 2 = x + 0 step 9 ⇒ 2 = x which step in solving this equation is justified by combining like terms? a) step 1 ⇒ 2x − 8 + 6x = 9x − 10 b) step 2 ⇒ 2x + 6x − 8 = 9x − 10 c) step 3 ⇒ 8x − 8 = 9x − 10 d) step 4 ⇒ 8x − 8x − 8 = 9x − 8x − 10

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Mathematics, 21.09.2019 22:30, Sumitco9578

Asil study the steps used to solve the equation. given: - 5 = choose the property that justifies each step of the solution. step 1 - 5 + 5 = 7 + 5 step 2: in onvon + 0 = 12 step 1: step 2: step 3: step 4: step 3: step 3: = 12 step 4: 2( 3 ) = 12(2) step 5: c = 24

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Mathematics, 08.11.2019 22:31, meKaya

Consider the sequence of steps to solve the equation: 2(x − 4) + 6x = 9x − 10 given ⇒ 2(x − 4) + 6x = 9x − 10 step 1 ⇒ 2x − 8 + 6x = 9x − 10 step 2 ⇒ 2x + 6x − 8 = 9x − 10 step 3 ⇒ 8x − 8 = 9x − 10 step 4 ⇒ 8x − 8x − 8 = 9x − 8x − 10 step 5 ⇒ 0 − 8 = x − 10 step 6 ⇒ −8 = x − 10 step 7 ⇒ −8 + 10 = x − 10 + 10 step 8 ⇒ 2 = x + 0 step 9 ⇒ 2 = x which step in solving this equation is justified by the commutative property of addition? a) step 1 ⇒ 2x − 8 + 6x = 9x − 10 b) step 2 ⇒ 2x + 6x − 8 = 9x − 10 c) step 3 ⇒ 8x − 8 = 9x − 10 d) step 4 ⇒ 8x − 8x − 8 = 9x − 8x − 10

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Mathematics, 22.11.2019 06:31, robertotugalanp1wlgs

Question 1(multiple choice worth 5 points) (07.05 hc) the work of a student to solve the equation 3(2x − 4) = 8 + 2x + 6 is shown below: step 1: 3(2x − 4) = 8 + 2x + 6 step 2: 5x − 7 = 14 + 2x step 3: 5x − 2x = 14 + 7 step 4: 3x = 21 step 5: x = 7 in which step did the student first make an error and what is the correct step? step 2; 6x − 12 = 14 + 2x step 2; 6x − 7 = 2(6 + x + 4) step 3; 5x − 2x = 14 − 7 step 3; 5x + 2x = 14 + 7

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