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| SELECT PAGE NO. | SELECT PROBLEM NO. FOR THE PAGE |
| PAGE: 21 | SET: Exercises | PROBLEM: 3 |
The equation is 
.
According to subtraction property of equality: If a = b then a – c = b – c.
(Subtract 8 from each side.)
(Additive inverse Property:
)
(Subtract: 
)
Check:
To verify the solution, substitute in original equation.
(Add:)
The value of 
.
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