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sdas [7]
2 years ago
13

is x-1 taking away an x or adding an x?? im trying to find the perimeter of area tiles, and the perimeter is x + x + x + (x-1) +

1 + 1 + 1 so would it be 2x+3 or 4x + 3??
Mathematics
1 answer:
Vanyuwa [196]2 years ago
3 0

Answer:

4x + 2

Step-by-step explanation:

x - 1 is adding an x and subtracting a 1 ,so

x + x + x + (x - 1) + 1 + 1 + 1

= x + x + x + x - 1 + 1 + 1 + 1 ← collect like terms

= 4x + 2

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3 0
3 years ago
Measure of angle A???
Rudik [331]

Answer:

A

Step-by-step explanation:

The triangle shown has all 3 sides equal in length, hence it is an equilateral triangle.

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4 0
4 years ago
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HELP mE need math help 20 points no links or imma report HeLP mE
Lapatulllka [165]

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4 0
3 years ago
Y=2x-1<br> y=1/2x+4<br> find the solution to the system equations
Evgesh-ka [11]

Answer:

x=10/3 y=17/3

Step-by-step explanation:

Use substitution to solve your equation. Plug in y=2x-1 into y=1/2x+4. This makes (2x-1)=1/2x+4. Simplify this to get 3/2x-1=4. Simplify it again to get 3/2x=5. No one likes fractions so multiply both sides by 2 to get 3x=10. Simplify this and get x=10/3. Plus 10/3 into one of the equations. You can pick anyone but I picked y=2x-1. Because you know x=10/3, you put y=2(10/3)-1. Simplify this and get y=20/3-1. Convert 1 into a fraction and get y=20/3-3/3. Simplify this and get y=17/3.

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x=10/3 y=17/3

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7 0
3 years ago
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Ahat [919]

Answer:

x = 2

Step-by-step explanation:

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3) Subtract 7x : -15x = -30

4) Divide 15 : x = 2 :)

4 0
3 years ago
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