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subsitution method x+y=1 y=x^2-19 2. xy=90...

subsitution method

x+y=1

y=x^2-19

2. xy=90

3x-y=-3

3.x+y=3

(x-3)^2+(y-4)^2=10

4.addition method

2x^2+3y^2-30=0

5x^2-4y^2-29=0

write the augmented matrix system of linear equation

3x+y+2z=0

3x-6y-z=2

x-7y-6z=3

w + x-3y+z=-6

4+y=21

w+x+2y=-4

7x+2x=y=-11

solve the system of equation using matrices

(4x-5y-3z=16

5x-5y-4z=17

x-5y=13

x+y=1

y=x^2-19

2. xy=90

3x-y=-3

3.x+y=3

(x-3)^2+(y-4)^2=10

4.addition method

2x^2+3y^2-30=0

5x^2-4y^2-29=0

write the augmented matrix system of linear equation

3x+y+2z=0

3x-6y-z=2

x-7y-6z=3

w + x-3y+z=-6

4+y=21

w+x+2y=-4

7x+2x=y=-11

solve the system of equation using matrices

(4x-5y-3z=16

5x-5y-4z=17

x-5y=13

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