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Vinil7 [7]
2 years ago
7

(2x + 5x - 3) + (x + 3)

Mathematics
1 answer:
IrinaK [193]2 years ago
5 0

Answer:

8x

Step-by-step explanation:

Because you are adding the (x+3) there you can immediately you the association property to simplify

(2x + 5x + x) + (3 - 3)

8x + 0 =

8x

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jeka57 [31]

Answer:

common denominator is 40

Step-by-step explanation:8x5=40

10x4= 40

3x5=15

3x4=12

15/40 and 12/40

7 0
3 years ago
-2a-10+a=-28 please help me
Svetradugi [14.3K]

Answer:

a=18

Step-by-step explanation:

-2a-10+a=-28

-1a-10=-28

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-1a=-18

divide by -1

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6 0
2 years ago
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2 years ago
4(3+2x)-8=8x+4<br><br> algebra
Rufina [12.5K]

Answer:

x= infinite

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5 0
3 years ago
Read 2 more answers
Solve the following system: y = x 3 4x y = 18 (6, 3) (3, 6) (â’3, 6) (3, â’6).
Nastasia [14]

The solution of the given equation is (3,6). The correct option is B.(3,6)

<h3>Given equations,</h3>

y=x+3.......(1)\\4x+y=18.....(2)

<h3>How to solve the equations?</h3>

putting the value of y from equation (1) in equation (2) , we get

4x+x+3=18\\5x=18-3\\5x=15\\x=3

substitute the value of x=3 in equation (1) we get,

y=3+3\\y=6

Hence, the solution of given equation is (3,6).

So, the correct option is B.

For more details about the system of equations, follow the link:

brainly.com/question/12895249

4 0
2 years ago
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