Big Ideas Math: Modeling Real Life, Grade 8
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Big Ideas Math: Modeling Real Life, Grade 8 View details
2. Product of Powers Property
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Exercise 5 Page 329

Substitute 3 for x in the equation.

y=1

Practice makes perfect
To evaluate the given equation for x= 3, we should substitute 3 for x in the given equation and then simplify.
y= 10-3x
y=10-3( 3)
y=10-9
y=1