justarandomgirll justarandomgirll

08-12-2020
Mathematics

contestada

3x + 2y = 8
2x + 5y = -2
Solve the simultaneous equations.

x=
y=

3x 2y 8 2x 5y 2 Solve the simultaneous equations x y class=

Respuesta :

saranassirismail saranassirismail

09-12-2020

Answer: (4,-2)

Step-by-step explanation:

3x + 2y = 8

2x + 5y = -2

so: x= 8÷3 - 2÷3 y

and 2x + 5y= -2

2( 8÷3 -2÷3y) + 5y = -2

y= -2

x= 8÷3 - 2÷3 x (-2)=

x= 4

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