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7nadin3 [17]
3 years ago
7

Drag the tiles to the boxes to form correct pairs. Match the pairs of equivalent expressions.

Mathematics
2 answers:
scZoUnD [109]3 years ago
8 0
<h2>Answer with explanation:</h2>

a)

(4t-\dfrac{8}{5})-(3-\dfrac{4}{3}t)

On opening the parentheses term we get:

4t-\dfrac{8}{5}-3+\dfrac{4}{3}t

On combining the like terms:

4t+\dfrac{4}{3}t-\dfrac{8}{5}-3

=\dfrac{4t\times 3+4t}{3}-\dfrac{8+3\times 5}{5}\\\\\\=\dfrac{12t+4t}{3}-\dfrac{8+15}{5}\\\\=\dfrac{16t}{3}-\dfrac{23}{5}

b)

5(2t+1)+(-7t+28)

on using the distributive property for the first terms and opening the parentheses for the second term we have:

5\times 2t+5\times 1-7t+28\\\\=10t+5-7t+28\\\\=10t-7t+5+28\\\\=3t+33

c)

(-\dfrac{9}{2}t+3)+(\dfrac{7}{4}t+33)

On combing the like terms we have:

-\dfrac{9}{2}t+\dfrac{7}{4}t+3+33\\\\=\dfrac{-9t\times 2+7t}{4}+36\\\\\\=\dfrac{-18t+7t}{4}+36\\\\\\=\dfrac{-11t}{4}+36

d)

3(3t-4)-(2t+10)

on using the distributive property for the first terms and opening the parentheses for the second term we have:

=3\times 3t+3\times (-4)-2t-10\\\\\\=9t-12-2t-10

Now, on combining the like terms we have:

=9t-2t-12-10\\\\=7t-22

Masja [62]3 years ago
5 0

Answer:

Step-by-step explanation:

look this solution

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