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kvv77 [185]
3 years ago
9

What is 3+0.5(4a+8)=9-2a is your solving for (a).

Mathematics
2 answers:
Nady [450]3 years ago
7 0

Answer:

a = 1/2

Step-by-step explanation:

<u>Step 1:  Distribute </u>

<u />3 + 0.5(4a + 8) = 9 - 2a

3 + (0.5 * 4a) + (0.5 * 8) = 9 - 2a

3 + 2a + 4 = 9 - 2a

<u>Step 2:  Combine like terms </u>

<u />(3 + 4) + 2a = 9 - 2a

7 + 2a = 9 - 2a

<u>Step 3:  Subtract 7 from both sides </u>

<u />7 + 2a - 7 = 9 - 2a - 7

2a = 2 - 2a

<u>Step 4:  Add 2a to both sides </u>

<u />2a + 2a = 2 - 2a + 2a

4a = 2

<u>Step 5:  Divide both sides by 4 </u>

<u />4a / 4 = 2 / 4

a = 1/2

Answer:  a = 1/2

ollegr [7]3 years ago
7 0

Answer:

It is 1/2

Step-by-step explanation:

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