linda251659 linda251659

02-12-2020
Mathematics

contestada

Solve the following system of equations.
- 7x-9y= 10
3x – 2y = 25

Respuesta :

fitapink11 fitapink11

02-12-2020

Answer: first one x= -9/7y+-10/7, second x=2/3y+25/3

1. Step-by-step explanation:

add 9y to both sides -7x-9y+9y=10+9y

divide both sides by -7. -7x/-7=9y+10/-7

2. Add 2y to both sides. 3x-2y+2y=25+2y

divide both sides by 3. 3x/3=2y=25/3

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