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Earn +20 ptsQ: What is the answer for 2x 7 -15?
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How do you do 2x-7 equals 15?
2x - 7 = 15 2x = 22 x = 11
What is the answer to 4x-7 equals 2x plus 15?
4x - 7 = 2x + 15 4x = 2x +222x = 22x = 11
What is -7 plus 2x equals x plus 8?
-7 +2x = x + 8 2x - x = 7 + 8 x = 15
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 2x plus 8 plus x equals 2x plus 15?
X=7
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