HELP PLZ
solve each system of equation by elimination
y - x = 28
y + x = 156...
![subject](/tpl/images/cats/mat.png)
Mathematics, 23.02.2021 19:10 brainist71
HELP PLZ
solve each system of equation by elimination
y - x = 28
y + x = 156
![ansver](/tpl/images/cats/User.png)
Answers: 1
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