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ANEK [815]
3 years ago
7

Simplify the expression by combining like terms . 2(3t + 4) + 6(t + 2)

Mathematics
2 answers:
bezimeni [28]3 years ago
8 0

2(3t + 4) + 6(t + 2)

First, distribute. The Distributive Property: a(b + c) = ab + ac. Distribute 2 and 6 to get rid of the parentheses.

2(3t + 4) + 6(t + 2)

6t + 8 + 6(t + 2)

6t + 8 + 6t + 12

Collect like terms (constants and variable terms).

6t + 8 + 6t + 12

12t + 20

The expression now has one variable term and one constant; it cannot be simplified further.

Answer:

12t + 20

Talja [164]3 years ago
3 0

Distribute 2 to 3t and 4, and 6 to t and 2

2(3t + 4) = 6t + 8

6(t + 2) = 6t + 12

Combine like terms:

6t + 8 + 6t + 12 = 12t + 20

12t + 20 is your answer

hope this helps

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3 years ago
What expression is equivalent to 4a +10
Ivenika [448]

Hi there! :D

<em><u>Answer:</u></em>

<em><u>2(2a+5)</u></em>

Step-by-step explanation:

Distributive property: a(b+c)=ab+ac

First, rewrite the problem down 10, and then 4.

10=5*2 or 2*5

4=2*2

2*2a+2*5

Finally you had to factor out by the common term of 2.

2(2a+5)

Hope this helps!

-Charlie

Thanks!

:D

:)

5 0
3 years ago
Samir has written 10 pages
olganol [36]

Answer

85 pages in 5 months

Step-by-step explanation:

10+(15x5)=85

4 0
3 years ago
Read 2 more answers
Simultaneous linear equations
Talja [164]
<span>1) 3x + y = 23
6x + y = 44

Subtract 1st from 2nd, 
3x = 21
x = 7
Then, y = 23 - 3(7) = 2

In short, Your Answer would be: (7, 2)

2) </span><span>4x - 3y = 21
2x + 3y = 33

Add the equations, 
6x = 54
x = 9
Then, 2(9) + 3y = 33
3y = 33 - 18
y = 15/3
y = 5

In short, Your Answer would be: (9, 5)

3) </span><span>5x + 2y = 13
6y + 5x = 29
Subtract 1st from 2nd equation, 

4y = 16
y = 4
Then, 5x  = 13 - 2(4)
x = 5/5 = 1

In short, Your Answer would be: (1, 4)

4)  </span><span>5x - 4y = 2
10x - 4y = 32
Subtract 1st from 2nd equation, 
5x = 30
x = 6

Then, 5(6) - 2 = 4y
y = 28/4 = 7

In short, Your Answer would be: (6, 7)

5) </span><span>2x + 7y = 48
x + 3y = 21

Here, x = 21-3y
Substitute in in 1st equation, 
2(21-3y) + 7y = 48
42 - 6y + 7y = 48
y = 6

Then, x = 21 - 3(6) = 3

In short, Your Answer would be: (3, 6)

6) </span><span>8x - 3y = 44
2y - 4x = -20

Multiply 2nd equation by 2 
-8x + 4y = -40
Now, add it to 1st equation, 
y = 4

Then, 2(4) - 4x = -20
4x = 8 + 20
x = 28/4 = 7

In short, Your Answer would be: (7, 4)

Hope this helps!</span>
8 0
3 years ago
Here is a starter i am new here 1+1? :)
myrzilka [38]
Might be wrong but i think it’s 2
4 0
3 years ago
Read 2 more answers
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