Solve the simultaneous equations 2x-y=7 3x+y=3

Step-by-step explanation:

Using elimination method:

2x - y = 7

3x + y = 3

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5x = 10

Divide both sides of the equation by 5

Calculate

Now, substitute the given value of X in the equation

3x + y = 3

Multiply the numbers

Move constant to R.H.S and change it's sign

Calculate

The possible solution of this system is the ordered pair ( x , y )

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Check if the given ordered pair is the solution of the system of equation

Simplify the equalities

Since all of the equalities are true, the ordered pair is the solution of the system

Hope this helps..

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y=-2.5x+12.5

step-by-step explanation:

5y=2x+10

y=0.4x+2

slope=-2.5

5=-2.5*3+b

b=12.5