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2. x = 3
3. x = 22
4. x = 5
5. ?
-3x = -2 + 10
-3x = 8
x = -2, 666
2. 2x-3 = 6-x
2x + x = 3 + 6
3x = 11
x = 3,666
3. 3 (x +4) = 2 (x-5)
3x + 12 = 2x - 10
3x - 2x = -12 - 10
x = - 22
4. 1/2 (x + 4 = 1/6 (x +2) (x6)
3 ( x + 4 = 1 ( x + 2)
3x + 12 = x + 2
3x - x = -12 + 2
2x = -10
x = -5
5. x + 5 - 2x -1 = 1/2 (x20)
4 5
20 ( x + 5) - 20 (2x-1) = 10
4 5
5 (x+5) - 4 (2x-1) = 10
5x+25 - 8x-4 = 10
5x-8x = -25 + 4 + 10
-3x = -11
x = 3,666