Pixieflowerpower Pixieflowerpower

08-01-2021
Mathematics

contestada

What equation has infinite many solutions?
1. 3(n+7)-6=2n+10+n
2. 3n-3=5(n+2)-2n
3. 2n+3(n-4)+5=5n-7
4. 2n-4=2n-2(n+2)

thank you :))

Respuesta :

umanath umanath

08-01-2021

3 because
2n+3(n-4)+5=5n-7
2n+3n-12+5=5n-7
5n-7=5n-7
5n-5n=7-7
0

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