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Need help again with math homework please!

Question 1: Write an equation to solve for the question mark.

Question 2: Explain the error the student made.

Question 3: Find x.

Question 4: Find m
Thank you!!

Need help again with math homework please! Question 1: Write an equation to solve-example-1
Need help again with math homework please! Question 1: Write an equation to solve-example-1
Need help again with math homework please! Question 1: Write an equation to solve-example-2
Need help again with math homework please! Question 1: Write an equation to solve-example-3
User Silny ToJa
by
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1 Answer

1 vote

Answer:


Question \: 1: \: let \: the \: question \: mark \: be \: n \\ n = 63 \\ </p><p>Question \: 2: \: the \: error \: the \: student \: made \: is \: \\ 4x + 40 = 6x - 10 \: insteade \: of : \\ 4x + 40 + 6x - 10 = 180. \\ </p><p>Question \: 3: \: x = 15 \\ </p><p>Question \: 4: m( GFC)</p><p> = 80. \\

Explanation:


let \: the \: unknown \: be \: n \\ then \\ 87 + n = 150 \\ n \: = 150 - 87 = 63. \\ the \: mistake \: is \: by \: the \: expression : \\ 4x + 40 = 6x - 10 \: insteade \: of : \\ 4x + 40 + 6x - 10 = 180. \\ 10x = 150 \\ x = 15. \\ 6x - 10 = 6 * 15 - 10 \\ GFC</p><p> = 80. \\

User Thordarson
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