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NNADVOKAT [17]
2 years ago
5

What is the value of y for the linear equation, x + x = 2x - 4y +16

Mathematics
2 answers:
Alenkasestr [34]2 years ago
8 0
X+x=2x-4y+16
2x=2x-4y+16
-16 -16
2x-16=2x-4y
-2x -2x
-16=-4y
/-4 /-4
4=y


y=4.
fomenos2 years ago
5 0
Isolate the variable by dividing each side by factors that do not contain the variable.
2x=2x-4y+16
2x-16=2x-4y
-4y would have to equal -16
Therefore Y=4
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Donnel practiced the piano 3 hours longer than Marcus. Together they practiced the piano for 11 hours. How many hours did each b
andriy [413]
Here is the equation: x+(x+3)=11 ⇒x+x+3=11


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x+x+3-3=11-3 ⇒ x+x=8 ⇒ 2x=8

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8 ÷ 2=4

x=4

So each 4 is equivalent to 4 

Lets check:

4+(4+3)=11 ⇒ 4+4+3=11 ⇒ 11=11

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Drupady [299]

Answer:

Let B = the weight of box B

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hope this helps

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7 0
3 years ago
Laura picks 7 apples.Some apples are red and some are green. Fewer than 4 of the apples are red. How many of laura's apples coul
GrogVix [38]

Answer:

As many as 7 apples or as few as 4 apples could be green.

Step-by-step explanation:

Laura picks 7 apples.Some apples are red and some are green. Fewer than 4 of the apples are red. How many of laura's apples could be green?​

x = total number of red apples

y = total number of green apples

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