solve 49x-57y=57-49y=252
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since 57 - 4y = 252
-4y = 252 - 57
4y = -195
y = -48.75
Now, 49x -57y = 252
49x - 57 × (-48.75) = 252
49x + 2778.75 = 252
49x = 252 -2778.75
49x = -2526.75
x = -2526.75/49
x = -51.56
Hope you got the answer.
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