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Leviafan [203]
3 years ago
10

Expand the linear expression: 3(4x + 3)

Mathematics
2 answers:
Vika [28.1K]3 years ago
5 0
Solutions

1) Distribute
<span>
3×4x+3×3
</span>
2) Simplify 3×4x to 12x
<span>
12x+3×3
</span>
3) Simplify 3×3 to 9
<span>
12x+9

Answer = </span>12x+<span>9</span>
Wewaii [24]3 years ago
4 0
You have to take the 3 and multiply what ever is in the parenthasis so 3*4 is 12 but you cant mutliply x so its 12x and them 3*3 is 9 so your answer would be 12x+9
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Answer:

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Step-by-step explanation:

Set up the system of equations

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Let's try to get y on one side for the first equation.

9y=45-18x

y=5-2x

Now substitute it into the second equation.

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Now solve for y using the first equation.

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Now that we know x and y we can solve for the price of 4 hot dogs and 3 drinks.

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3 years ago
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Liono4ka [1.6K]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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