Question

WHOEVER ANSWERS FASTEST GETS BRAINLIEST

Answer 1

Answer:

65.

Step-by-step explanation:

well it's confusing but Marjorie's mistake was he took x=78/7 at the place of 8.

Answer 2

$\large\sf\underline{Given:-}$

Marjorie evaluated the expression 7x + 9 for x = 8 as shown :

• 7x + 9 = 78 + 9 = 87

‎

$\large\sf\underline{To\:find:-}$

• His mistake in solving

• And also the value of the expression

‎

$\dag\:\underline{\sf Question\:1:-}$

7x means that 7 should be ______ by the value of x .

$\dag\:\underline{\sf Answer:-}$

7x means that 7 should be ${\sf{{\blue{multiplied }}}}$by the value of x .

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$\dag\:\underline{\sf Question\:2:-}$

What is the correct value of 7x + 9 for x = 8 ?

$\dag\:\underline{\sf Answer:-}$

$\sf\:7x+9$

Substituting the value of x :

$\sf➞\:7(8)+9$

$\sf➞\:7 ×8+9$

• Following BODMAS

$\sf➞\:56+9$

$\small{\underline{\boxed{\mathrm\pink{➞\:65}}}}$

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⠀‎⠀⠀$\large\rm\purple\star\:\underline{Final\:answers}$

⠀‎➻ Marjorie's mistake was the

⠀she didn't did any evaluation

⠀‎of 7 and the value of x .

‎

⠀‎➻ The value of the expression

⠀‎came out to be as 65 .

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!! Hope it helps !!