Question

5x-3(x-7)=7
6y-3(y-x)=9
ayuda xfa
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Answer 1

5x-3(x-7)=7

5x-3x-21=7

2x-21=7

2x=7+21

2x=28

x=14

6y-3(y-x)=9

6y-3y-3x=9

3y-3x=9

3y-3(14)=9

3y-42=9

3y=42+9

3y=51

y=17

Rpta: x=14, y=17

Answer 2

Respuesta:

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