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x=5
2.2x= -14+6
2x= -8
x= -4
3. -3×= 19-4
-3×= 15
×= -5
4. 6×+4×+5×=8+7
14×=15
×=15/14
5. 2×-12+6=3×-3-10
2×-3×=-3-10+12-6
-×=-7
×=7
2) 2x - 6 =-14 → 2x = -14+6 → x = -8/2 = -4
3) -3x + 4 = 19 → -3x = 19-4 → x = 15/-3 = -5
4) 6x -7 +4x = 8-5x
6x +4x +5x = 8+7
15x = 15
x = 1
5) 2(x-6) +6 = 3(x-1) -10
2x - 12 +6 = 3x - 3 - 10
2x -3x = -13+12
-x = -1
x = 1