Answer:
(a) 1. Start with \[x=2\] Multiply both sides by 3, \[3x=6\] Subtract 2 from both sides, \[3x-2=4~\] ... (1) 2. Start with \[x=2\] Multiply both sides by 4, \[4x=8\] Add 5 to both sides, \[4x+5=13\] ... (2) 3. Start with \[~x=2\] Multiply both sides by 5 \[5x=10\] Subtract 1 from both sides, \[5x-1=9~~~\] ... (3) (b) 1. Start with \[x=-\text{ }2\] Multiply both sides by 3, \[3x=-6\] Subtract 2 from both sides, \[3x-2=-8\] ... (1) 2. Start with \[x=-\text{ }2\] Multiply both sides by 5, \[5x=-10\] Subtract 1 from both sides, \[5x-1=-11\] ... (2) 3. Start with \[x=-\text{ }2\] Multiply both sides by 4, \[4x=-\text{ }8\] Add 5 to both sides \[4x+5=-3\] ? (3)
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