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if the quotient of -20 and 4 is decreased by 3
7x - 8 = 3x + 4 4x - 8 = 4 4x = 12 x = 3 Check it. 21 - 8 = 9 + 4 It checks.
The number = 9Working:n - 5 = 13 - n(+ 5 on both sides)n = 18 - n(+ n on both sides)n + n = 18= 2n = 18(divide both sides by 2)n = 9So...9 - 5 = 13 - 9(9 - 5 = 4)(13 - 9 = 4)
From least tor greatest, -15, -12, -9, -4
-22, because if you subtract from a negative, the number gets higher.