Algebra 1, 2011
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| PAGE: 85 | SET: Exercises | PROBLEM: 1 |
Please look in your text book for this problem Statement
The equation is 
.
According to subtraction property of equality: if 
, then 
.
(Subtract 7 from each side)
(Apply additive inverse property: 
)
(Subtract: 
)
Check:
To check the solution substitute 
in original equation.
3 = 3 (Add: 
)
The equality is true
The value of .
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