This is Daniela's work to solve the equation 13x+42=276
2 answers:
Answer:
Option C is correct.
subtraction property of equality
Step-by-step explanation:
As per the given information:
Daniela's work to solve the equation:
Subtract 42 from both sides we get;
Divide both sides by 13 we have;
She added the number 42 instead of subtracting both the sides.
therefore, subtraction property of equality does Daniela need to use to avoid her error
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ANSWER
C. 35
EXPLANATION
The given expression is:
As
where k is a constant.
This implies that,
The correct answer is C