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PAGE: 23 | SET: Exercises | PROBLEM: 35 |
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The equation is
Subtractiuon property of equality: If then
:
Subtract 4 from both sides
(Additive inverse property:
)
(Additive inverse property:
)
(Subtract:
)
(Divide both sides by 3)
(cancel common terms)
(Divide:
)
Check:
To check the solution, substitute in original equation.
(Substitute
)
(Multiply:
)
(Add:
)
Compare the values, the equation is true. The solution is .
The value of .
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