6 - x + 7 - 3x - 5 = -2x - 10
∴ x + 3x - 2x = 6 + 7 - 5 + 10
∴ 2x = 18
∴ x = 9
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6
-2.18
You are taking something away a negative amount of times. Which means you are actually giving.
You minus it off the original negative number, so if it was -5 plus -2 it equals -7
Y=30