Question

qual a solucao do sistema: {3x+2y=5/2x-2y=5}

Answer 1

3x+2y=5
2x-2y=5
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5x = = 10
x = 10/5
x = 2

Valor de y:

3x + 2y = 5
3 . 2 + 2y = 5
6 + 2y = 5
2y = 5 - 6
2y = -1
y = -1/2
y = -0,5