Opg 111 A) 20-9x = -7 = x3 B) 6x + 7 = -11 = x-3 C) 30-4x = 2x = x5 D) 8x + 6 = 2x = x-1 E) 9-7x = -19 = x4 F) 3x-12 = -x = x3 G) -(3x-8) = -4 = x4 H) 17 = -(7x-3) = x-2 Opgave 112 A) B) C) D) E) F) G) H)
9x+6= -x+26 = x2 -4x+3 = 8x-9 = x1 2x-26 = 5x+4 = x-10 5x+3= 2(x-6) = x-5 -(6+3x) =x -18 = x3 40-6x = 5x+7 = x3 8(3-x) = 2x-16 = x4 -5x + 7= 17+3x = -5 Opgave 113 A) 42-3x = 7x-28 = x7 B) -16+x = 8x+5 = x-3 C) 13x-31 = 6(x+3) = x7 D) -4(3-x) = 16-2(x-1) = x5 E) -27+x=12-5(x+3) = x4 F) -2(x+4) = -(20-x) = x4
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