Question

cinco soluções para a equação 2x + Y = 50

Answer 1

x = 0
2x + y = 50
2.0 + y = 50
y = 50

x = 1
2.1 + y = 50
2 + y = 50
y = 50 - 2
y = 48

x = 2
2.2 + y = 50
4 + y = 50
y = 50 - 4
y = 46

x = - 1
2.(-1) + y = 50
- 2 + y = 50
y = 50 + 2
y = 52

y = 0
2x + 0 = 50
2x = 50
x = 50/2
x = 25

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