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geniusboy [140]
3 years ago
13

Solve for x 6x + 7y = –2

Mathematics
1 answer:
coldgirl [10]3 years ago
6 0

Answer:

x = -7 over 6y plus -1 over 3

Step-by-step explanation:

Add -7y to both sides.

Divide both sides by 6.

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Solve:

To solve, you have to get one of this equations into a Ax+By=C equation form, standard equation. Let’s change y=x+4 into a standard equation.

We have to get x and y together and 4 as C.
So let’s subtract x from both sides;

y=x+4
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————————
-x+y=4

This is a standard equation.

Now let’s substitute.

take the standard equation and plug in y which is x+4 since there is a equation meaning it’s y=x+4


-x+(x+4)=4


Let’s simplify this mess.


-x+x equals 0. So we are left with 4=4.

Subtract 4 from both sides and we get 0=0



This means there is no solution. Hoped this helped.
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