Question

Solve by cross multiplication method. 2x + 3y =46
3x + 5y = 74

Answer 1

Step-by-step explanation:

_____x_____=_____y______=______1______

b1c2 - b2c1 c1a2 - c2a1 a1b2 - a2b1

2x+3y=46 , 2x+3y-46=0

3x+5y=74, 3x+5y-74=0

a1=2, b1=3 , c1=-46

a2=3, b2=5 , c1=-74

_____x______=_____y_____=____1____

-282+230 - 138+148 10-9

____x_____=____y___=___1___

- 52 10 1

x=-52

y=10