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IgorLugansk [536]
3 years ago
14

What is the resulting equation when the expression for y in the second equation is substituted into the first equation?

Mathematics
2 answers:
marshall27 [118]3 years ago
8 0
Take the second equation already set to y and substitute it into the first equation for y...

3x + (6 - 4x) = 1  ... now we simplify
3x + 6 - 4x = 1  .....now combine like terms
-x + 6 = 1    .....
Ivan3 years ago
5 0
Y=6-4x
sub 6-4x for y

3x+y=1
3x+(6-4x)=1
3x+6-4x=1
3x-4x+6=1
-x+6=1

3rd option
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The area of a rectangular painting is 5/8 square yard. The width is 3/4 yard. What is the length of the painting?
vfiekz [6]

Answer:

The answer is

<h2>\frac{5}{6}  \:  \:  \:  \: yards \\</h2>

Step-by-step explanation:

Area of a rectangle = length × width

Since we are finding the length of the rectangle

length =  \frac{area}{width}  \\

From the question

area = 5/8 square yards

width = 3/4 yard

So we have

length =  \frac{5}{8}  \div  \frac{3}{4}  \\  =  \frac{5}{8}  \times  \frac{4}{3}  \\  =  \frac{5}{2}  \times  \frac{1}{3}

We have the final answer as

\frac{5}{6}  \:  \:  \:  \: yards \\

Hope this helps you

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