3 years ago

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Mathematics

2 answers:

vlada-n [284]3 years ago

5 0

Answer:

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Step-by-step explanation:

nata0808 [166]3 years ago

3 0

What does it sayyy.......

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2X+15= -3x how do you work this equation

Sphinxa [80]

Answer: $x=-3$

Add 3x to both sides

$2x+15+3x=-3x+3x\\5x+15=0$

Subtract 15 from both sides

$5x+15-15=0-15\\5x=-15$

Divide both sides by 5

$5x/5=-15/5\\x=-3$

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This is what I found in a calculator

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Elena-2011 [213]

5/4 or 1 1/4

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The perimeter of rectangle is twice the sum of its length and its width.the perimeter is 22 meters and its length is 2 meters mo

romanna [79]

P = 2(L + W)
P = 22
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22 = 2(2W + 2 + W)
22 = 2(3W + 2)
22 = 6W + 4
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