(a) 2x + 4 = 15
(b) 7x + 15 = 45
(c) 7x + 2 = 23
(x=2
(x = 5)
(x=3)
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Answer:
(a) 2x+4 =15
= 2 (2) +4= 15
= 4+4 =15
8 is not equal to 15
(b) 7x+15= 45
=7(5)+ 15 = 45
= 35+15= 45
50 is not equal to 45
(c) 7x+2 = 23
= 7(3)+3= 23
=21+3 =23
24 is not equal to 23
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