1) X + 6 = 45 a) X = 40 b) X = 39 c) X = 38 d) X = 35 2) X - 7 = 27 a) X = 34 b) X = 20 c) X = 37 d) X = -34 3) 18 + X = 65 a) X = 56 b) X = 77 c) X = 69 d) X = 47 4) X - 12 = -100 a) X = -112 b) X = 112 c) X = -88 d) X = 88 5) -75 + X = 80 a) X = -5 b) X = 5 c) X = 155 d) X = 149 6) 0 = -65 + X a) X = -65 b) X = 0 c) X = 65 d) X = -1 7) -78 + X = -94 a) X = -16 b) X = 162 c) X = 22 d) X = -132 8) 6X = 24 a) X = 8 b) X = 20 c) X = -4 d) X =4 9) -4X = -4 a) X = 0 b) X = 1 c) X = -1 d) X = 4 10) 3X = -9 a) X = 4 b) X = -6 c) X = -3 d) X = 12 11) -3X -7 = 14 a) X = 8 b) X = 2 c) X = 7 d) X = -7 12) -25 = -X + 7 a) X = 18 b) X = 32 c) X = -32 d) X = 54 13) 98 -X = 0 a) X = -98 b) X = 98 c) X = 0 d) X = 1 14) 4X + 3 + 2X = 13 -6 a) X = ⅔ b) X = 3 c) X = -1 d) X = 0 15) 8 - 9X -3X = -13 -3 a) X = 4 b) X = 2 c) X = 0 d) X = 1 16) 2 (X -6) = -11 a) X = 0.25 b) X = 0.5  c) X = 0.34 d) X = -0.5 17) -3 (X -2) = 6 a) X = 2 b) X = 1 c) X = 0 d) X = -3 18) 5 (X -2) = -15 a) X = -1 b) X = 1 c) X = 0 d) X = 2 19) 3 (5X -3) = -4 a) ⅜ b) ⅞ c) ⅕ d) ⅓ 20) 5( X -2) = 3 (X + 4 ) a) X = -45 b) X = -3 c) X = -11 d) X = 11

رياضيات 1

Výsledková tabule/Žebříček

Vizuální styl

Možnosti

Přepnout šablonu

Obnovit automatické uložení: ?