Solve by elimination 7x-4y=1 -5x+4y=-3

The answer is  

Step-by-step explanation:

Given:

7x-4y=1

-5x+4y=-3

Now, to solve by elimination.

So, to solve it using elimination method:

Adding both the equations:

Dividing both sides by 2 we get:

Now, putting the value of in equation (1):

Adding both sides -1 we get:

Adding both sides 4y we get:

Dividing both sides by 4 we get:

Therefore, the answer is

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step-by-step explanation:

the x's and the y's both go up the same amount each time, therefore it will be a linear function because it will go in a straight line when drawn on a graph.

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