X / 2 + 3(x / 5 - 1) = 2(5x - 16) 15?
X / 2 + 3(x / 5 - 1) = 2(5x - 16) 15.
0Stiven2010
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Pittykumbiero
X + 3(x - 1) = 2(5x - 16)
2 5 15
x + 3(x - 5) = (10x - 32)
2 5 15
x + 3(x - 5) = (10x - 32) 2 5 15
5x + 6(x - 5) = 10x - 32 10 15
5x + 6x - 30 = 10x - 32 10 15
11x - 30 = 10x - 32 10 15
15(11x - 30) = 10(10x - 32)
165x - 450 = 100x - 320
165x - 100x = 450 - 320
65x = 130
x = 130 / 65
x = 2.