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brilliants [131]

3 years ago

5

What is the solution to the system equations 6×+2y=6 and 7×+3y=5

2 answers:

atroni [7]3 years ago

5 0

The solution to 6×+2y=6 is y=0.5

The solution for 7×+3y=5 is y = 0.238095 (.238095 is repeated)

Kay [80]3 years ago

3 0

The solution if it’s to find the value of X and Y
Get one variable by itself
2y=6-6X
Divide by 2
Y=3-3x
Then substitute y for 3-3x
7x+3(3-3x)=5
7x+9-9x=5
-2x+9=5
Subtract 9 from each side
-2x=-4
Divide by -2 on each side
X=2 then plug x for 2
7(2)+3y=5
14+3y=5
Subtract 14 on each side
3y=-9
Divide by 3 on each side
Y=-3

X=2 Y=-3

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What value of b will cause the system to have an infinite

m_a_m_a [10]

Answer:

$b=6$

Step-by-step explanation:

<u><em>The correct question is</em></u>

What value of b will cause the system to have an infinite number of solutions?

y = 6x – b

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we have

$y=6x-b$ ----->equation A

$-3x+\frac{1}{2}y=-3$ -----> equation B

we know that

If the system has infinite number of solutions then, the equation A must be equal to the equation B

so

isolate variable y in the equation B

$-3x+\frac{1}{2}y=-3$

Multiply by $2$ both sides

$-6x+y=-6$

$y=6x-6$ -------> new equation B

To find out the value of b, equate equation A and equation B

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3 years ago