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5 votes
Which equation is equivalent to 4.5 = 2a?

a = 2.5
a = 2.25
4.5a = 2
a + 2 = 4.5

2 Answers

1 vote

Answer: its B

Step-by-step explanation: 1. identify the operation in the equation

2. use inverse operations to isolate the variable, division or multiplication property of equality

3. check the solution using substitution or estimation

User David Verhasselt
by
5.7k points
3 votes

Answer:

B) a = 2.25

Explanation:

Isolate the variable, a. Divide 2 from both sides:

(4.5)/2 = (2a)/2

a = 4.5/2

a = 2.25

B) a = 2.25 is your answer.

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User Tarunn
by
4.8k points