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The equation is .
Apply addition property of equality: Add 6h to each side.
(Apply commutative property of addition: )
(Apply additive inverse property: )
(Apply additive identity property: )
(Add: 4h + 6h = 10h)
Apply subtraction property of equality: Subtract 5 from each side.
(Apply additive inverse property: )
(Apply additive identity property: )
(Subtract: )
According to division property of equality: If a = b then
(Divide each side by 10)
(Cancel common terms)
(Divide: )
Check:
To substitute in .
(Substitute )
(Product of two same signs is positive)
(Multiply: )
(Add: )
(Subtract: )
The equality is true
The equality solution is .
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