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ehidna [41]
2 years ago
8

Simplify the expression 3x+4x+5x=

Mathematics
1 answer:
Dmitry [639]2 years ago
8 0
12x =

Just added 3 and 4 and 5 to get twelve
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Svetlanka [38]
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First, let's use the distributive property to expand 2(a+3):
2(a+3) = 2*a + 2*3 = 2a + 6
Let's use the distributive property now to expand 3(2a-1):
3(2a - 1) = 3*2a - 3*1 = 6a - 3

So 2(a+3) + 3(2a-1) = 2a + 6 + 6a - 3
Now you calculate variables between each others, and numbers between each others:
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Hope this Helps! :)
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3 years ago
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Step-by-step explanation:

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