Determine the solution to each of the following single variable equations. A. X-4=-(x+3)
4= {(x+3)
B. -4x = (-8x + 2)
C. 3-2-3x + 1) = 6x +1
D. 0.5(X+3)=-31X-0.5)
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What is the missing constant term in the perfect square that starts with x^2 -20x

3-12. write each answer with a reasonable number of figures. find the absolute uncertainty and percent relative uncertainty for each answer. (a) [12.41 (±0.09) + 4.16 (±0.01)] x 7.068 2 (±0.000 4) =? (b) [3.26 (±0.10) x 8.47 (±0.05)] - 0.18 (±0.06) =? (c) 6.843 (±0.008) x 104 + [2.09 (±0.04)- 1.63 (±0.01)] =?

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.