Question

Crammers Rule
3x + 2y = 8
5x - 3y = 7​

Answer 1

Answer:

3x+2y= 8

4x-3y=5

a1=3 b1=2 c1=8

a2=4 b2= -3 c2=5

D=(a1b2-a2b1)

=3×(-3)-4×2

= -9-8

= -17

Dx=(c1b2-c2b1)

=8×(-3)-5×2

= -24-10

= -34

Dy=(a1c2-a2c1)

=3×5-4×8

=15-32

= -17

X=Dx/D

= -34/ -17

=2

Y=Dy/D

= -17/ -17

=1

Step-by-step explanation:

Answer 2

Answer:

DIRECT ANSWER:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form:

X=2

Y=1

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