Mathematics

Mathematics, 01.08.2019 13:00, haza1873

What is the mathematical answer to this equation -3a+9=3a-9

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Astudent is attempting to solve a multi-step equation. sample mathematical work is shown below. which statement best applies to the sample mathematical work? given the equation 35x – 10 = 5, i must solve for x. i first divide both sides by 35, which results in the equation x-10=1/7 i then add 10 to both sides, which gives me my final answer of x=71/70 a. the student incorrectly divided both sides by 35. b. the student incorrectly added 10 to both sides. c. the final answer is not reduced or simplified. d. the mathematical work shown is correct.

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Astudent is attempting to solve a multi-step equation. sample mathematical work is shown below. which statement best applies to the sample mathematical work? given the equation , i must solve for m. i first subtract 8 from both sides, which gives me −m/2 = -25/3. i then multiply both sides by –2, which gives me the final answer of m=50/3 a) the student incorrectly subtracted 8 from both sides. b) the student incorrectly multiplied both sides by –2. c) the final answer is not reduced or simplified. d) the mathematical work shown is correct

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Mathematics, 08.11.2019 18:31, s11074739

Astudent is attempting to solve the equation below for the variable x. which of the statements below best applies to the mathematical work shown? given 4-6 = 12, 1 square both sides, so w41 - 6 = 12', or 4x - 6 = 144. i can then solve for x, yielding x = 37 as my final answer a. the student did not correctly square both sides of the equation. b. the student did not properly isolate the variable after squaring both sides of the equation. c. the student omitted a negative solution to the equation. d. the mathematical work is correct.

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