Solve for x: a) 9x - 6 = 7x + 8
b) 3x + 3 = 7x - 9
d) x/3 - 2 = 5
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Solve for x: a) 9x - 6 = 7x + 8
b) 3x + 3 = 7x - 9
d) x/3 - 2 = 5
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Answer:
=≥ 9x - 7x = 8 + 6
=≥ 2x = 14
=≥ x = 14
2
=≥ x = 7
2. 3x + 3 = 7x - 9
=≥ 3x - 7x = -9 - 3
=≥ - 4x = -12
=≥ x = -12
-4
=≥ x = 3
3. x/3 - 2 = 5
=≥ x - 2 = 5 x 3
=≥ x - 2 = 15
=≥ x = 15 + 3
=≥ x = 18