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mario62 [17]
2 years ago
13

5) 5x-4= 20 у = 3х - 12 solve

Mathematics
1 answer:
vredina [299]2 years ago
6 0

Answer:

Step-by-step explanation:

5x-4=20

5x=24: x=24/5

y=3x-12

y=3(24/5)-12

y = (72-60)/5

y=12/5

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Use the working backward method to find the solution of the equation.<br> 6y - 5=7<br> y=____
sleet_krkn [62]

Answer:

y = 2

Step-by-step explanation:

6y - 5 = 7

~Add 5 to both sides

6y = 12

~Divide 6 to both sides

y = 2

Best of Luck!

5 0
2 years ago
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a bag containing some widgets weighing 81 kg. when 2 of the widgets are removed, the weight of the bag drops to 73kg. the bag wi
Sloan [31]
First I find the individual widget weight

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8 = 2x
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Then I find how many widgets were left

73 - 1 = 4y
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3 0
3 years ago
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Nikolay [14]

Answer:

The answer is 118.

Step-by-step explanation:

First we need to subtract the meal cost from average unit cost for each meal:

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5 0
3 years ago
Choose all options that are expressions 6+5w 3-16v 4v+1 2v=0 18=v 7-v
Nataly [62]

Answer:

The expressions here are;

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Step-by-step explanation:

Here, out of the given set, we want to choose all options that are expression.

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So expressions are those in the set in which we do not have an equality sign

The right answer is thus;

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8 0
2 years ago
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Answer:

12

Step-by-step explanation:

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