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Anastasy [175]
3 years ago
6

Solve for x - 4x + 5 = -2x-1

Mathematics
2 answers:
fomenos3 years ago
5 0
X = 3
Reason:
Move -2x to the left side
Move +5 to the right side
When switching a number form one side of the equation to the other, it changes the sign. -2x would be +2x, whole +5 would be -5.
The new equation would look like this.
-4x+2x = -5-1
-2x=-6
Then you divide by -2x
x=3
Travka [436]3 years ago
4 0

Answer:

the awncer to your question is x=3

Step-by-step explanation:

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2 years ago
You are making 6 quarts of
Ivenika [448]

1.5 quarts of 20% fruit juice and 4.5 quarts of 100% fruit juice.

Step-by-step explanation:

Let x be the number of quarts of 100% fruit juice

Let y be the number of quarts of 20% fruit juice

The equation for amount of quarts is ;

x+y=6

x=6-y-------------------equation 1

The equation for the amount of quarts of fruit juice to get 80% fruit juice will be;

x(100%)+y(20%)=80%------however you need to make 6 quarts so divide first portion of equation by 6

{x(100%)+y(20%) }/6=80%

Multiply both parts of the equations by 6

x(100%)+y(20%)=480% --------------equation 2

Use equation 1 in 2

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600-100y+20y=480

600-80y=480

600-480=80y

120=80y

120/80 =y

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Use the value of y in equation 1

x=6-y  , x= 6-1.5=4.5

So you have,

1.5 quarts of 20% fruit juice and 4.5 quarts of 100% fruit juice.

Learn More

Mixtures equations;brainly.com/question/11898822

Keywords : quarts,party,bottles,punch

#LearnwithBrainly

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