If: 2x+5y = 2 and -3x-y = -3
Then it works out that: x = 1 and y = 0
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3x+7=2x-5 x=-12
3x - 2x + 4 = 0 3x - 2x = -4 x = -4
An equation where x equals 3.
3x=2x-12x=-12
6 - x + 7 - 3x - 5 = -2x - 10 ∴ x + 3x - 2x = 6 + 7 - 5 + 10 ∴ 2x = 18 ∴ x = 9