rita5631
rita5631
04-03-2019
Mathematics
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subsubstitution solving for x
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Аноним
Аноним
04-03-2019
y = 8x - 18
2x - 8(8x - 18) = 20
2x + -64x + 144 = 20
-62x + 144 = 20
-62x = -124
x = 2
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