8x4
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x - 2x + 3 = 3 - x
x(x + 2)
csc^2x+cot^2x=1
-7 + 2(x-3) = -7+2x-6 = 2x - 13
To solve for x, set up the equation: 2x +2x = 40 (then simplify) 4x = 40 (then divide both sides of the equation by 4) x = 10 (this is the answer)