4. (a) Construct 3 equations starting with x = 2
(b) Construct 3 equations starting with x = -2
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Answer:
x=2
(a) x+2=2+2
x+2=4
x=4-2
x=2
(b)x-2=2-2
x-2=0
x=0-2
x=2
(c) 2(x)=2(2)
2x=4
x=4-2
x=2
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