Seudónimo
Seudónimo
11-11-2020
Mathematics
contestada
x+5y+2-7xx + 5 y + 2y − 7x
Respuesta :
jackscally79
jackscally79
11-11-2020
x + 5y + 2 - 7x + 5y + 2y - 7x
First collect like terms (the numbers that have the same letters after them):
x - 7x - 7x = -13x
5y + 5y + 2y = 12y
Then put these back into the expression:
2 - 13x + 12y
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