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Andrei [34K]
3 years ago
5

Simplify the expression (7x+1/2)+(6x-9 1/2)

Mathematics
1 answer:
monitta3 years ago
3 0
To make this easier to read, I'll be substituting 1/2 for .5; they mean the same thing, but it's less confusing to type it in its decimal form.
7x + .5 + 6x - 9.5
Combine like terms (x's can be added together, and so can reg. numbers)
(7x + 6x) + (.5 - 9.5)
13x - 9
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3 years ago
Can someone explain how im meant to do this please? :)
valina [46]

Answer:

you have to do

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7 0
3 years ago
Solve that for me :)
gavmur [86]

Answer:

2/5

Step-by-step explanation:

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Hope it helps.

5 0
2 years ago
Read 2 more answers
2x^(2) + xy + 2y^(2) = 5, (1, 1)<br> (ellipse)
Anvisha [2.4K]
<span>2<span>x2</span>+xy+2<span>y2</span>=5</span>Implicit differentiation yields<span>4x+y+x<span>y′</span>+4y <span>y′</span>=0</span>Solve for <span>y′</span><span>.

answer is- y = 4x+ y /5x</span>
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336
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