AnswersSRC 2022 MJ Grade 8 Pre-Algebra Q1Solving Multistep Equations with Variables on Both Sides

Solving Multistep Equations with Variables on Both Sides Answers

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3

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4

What is the error in Morgan’s work?

A
She did not distribute the 9 to both terms inside the parentheses.
B
She combined the like terms on each side of the equation wrong.
C
She applied the addition property of equality to isolate the variable term wrong.
D
She applied the division property of equality instead of the multiplication property of equality to solve for the variable.
5

Is x = 1 the solution?

A
No. When 1 is substituted for the variable, the result is a true statement.
B
No. When 1 is substituted for the variable, the result is a false statement.
C
Yes. When 1 is substituted for the variable, the result is a true statement.
D
Yes. When 1 is substituted for the variable, the result is a false statement.
6

Use the same steps to simplify the right side of the equation. What would it simplify to?

A
–8.4m – 3.2
B
–8.4m – 0.8
C
–4.4m – 0.8
D
–4.4m – 3.2
9

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