dik : y = 5
dit : x = ....?
2x + 3(x-2y) = 50
2x + 3{x-(2.5)} = 50
2x + 3(x-10) = 50
2x + 3x - 30 = 50
5x - 30 = 50
5x = 50 + 30
5x = 80
x = 16
Jadi, nilai x adalah 16.
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2x + 3x - 6y = 50
5x - 6y = 50
5x - 6(5) = 50
5x - 30 = 50
5x = 80
x = 16
dik : y = 5
dit : x = ....?
2x + 3(x-2y) = 50
2x + 3{x-(2.5)} = 50
2x + 3(x-10) = 50
2x + 3x - 30 = 50
5x - 30 = 50
5x = 50 + 30
5x = 80
x = 16
Jadi, nilai x adalah 16.