2. (a) 2x + 1 = x + 7
(d) 6p - 18=5p - 7
3. (a) 5x + 8 – 2x = 14
(d) 6 = -2(7 – c)
4. (a) 3x - 12 + 4x = 6x + 6
(c) 12 - 6x = 6(4 + 2x) + 6
(e) 4(2x – 6) + 3(x – 3) = 0
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a) 2x-x = 7 -1
=> x = 6
d)6p - 5p = 18 - 7
=> p = 11
3.(a) 5x -2x -8 = 14
=> 3x -8 = 14
=> 3x = 14 + 8
=> 3x = 22
=> x = 22/3
d) 6 = -14 - c
=> c = -14 + 6
=> c = 8
4. (a) 3x + 4x - 12 = 6x + 6
=> 7x -12 = 6x + 6
=> 7x - 6x = 6 +12
=> x = 18
c)12 - 6x = 24 + 12x + 6
=> 6x - 12x = 6 - 12 +24
=> 6x = 18
=> x = 18/6
=> x = 3
e)8x - 24 + 3x - 9 = 0
=> 8x + 3x = 0 + 9 + 24
=> 5x = 33
=> x = 33/5
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