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Earn +20 ptsQ: Is -8 a solution of -2x plus 7 -9?
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What is -7 plus 2x equals x plus 8?
-7 +2x = x + 8 2x - x = 7 + 8 x = 15
What is 2x plus 8 plus x equals 2x plus 15?
X=7
What is the solution for 5x plus 3-4x plus 2x-8?
3x-5
What is x when f of x equals -7 and f of x is defined to be 2x plus 8?
f(x) = 2x + 8 f(x) = -7 → 2x + 8 = -7 → 2x = -15 → x = -7½ = -7.5
What is the solution of -2x plus 5 equals 8 and 2x plus 2x equals 6?
5 - 2x = 8 x = -1 and 1/2 4x = 6 x = 6/4 or 3/2
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