Question

Which equation is equivalent to 4.5 = 2a?
a = 2.5
a = 2.25
4.5a = 2
a + 2 = 4.5

Answer 1

Answer:

B) a = 2.25

Step-by-step 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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Answer 2

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