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lakkis [162]
3 years ago
15

What is the value of y in the equation 5x + 2y = 20, when x = 0.3?

Mathematics
2 answers:
gavmur [86]3 years ago
8 0

Answer:

9.25

Step-by-step explanation:

5(0.3) = 1.5

20-1.5=18.5

18.5÷2=9.25

vampirchik [111]3 years ago
5 0

Answer:

<h2>y = 9.25</h2>

Step-by-step explanation:

5x + 2y = 20

when x = 0.3 we have

5(0.3) + 2y = 20

1.5 + 2y = 20

Using the subtraction property subtract 1.5 from both sides of the equation

That's

1.5 - 1.5 + 2y = 20 - 1.5

2y = 18.5

<u>Divide both sides by 2</u>

\frac{2y}{2}  =  \frac{18.5}{2}

We have the final answer as

<h3>y = 9.25</h3>

Hope this helps you

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