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Big Ideas Math: Modeling Real Life, Grade 8
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Big Ideas Math: Modeling Real Life, Grade 8 View details
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Exercise 30 Page 35

Apply inverse operations to isolate y.

y = 8 - x/6

Practice makes perfect
To solve the given literal equation for y, we will use the Properties of Equality to apply inverse operations on the equation. Remember, only like terms can be combined.
6y + x = 8
SubEqn

LHS-x=RHS-x

6y + x - x = 8 - x
SubTerms

Subtract terms

6y = 8 - x
DivEqn

.LHS /6.=.RHS /6.

y = 8 - x/6
Subchapter links expand_more
arrow_right 1 Solving Simple Equations p.33
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arrow_right 2 Solving Multi-Step Equations p.34
Solving Multi-Step Equations 12 (Page 34)
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arrow_right 3 Solving Equations with Variables on Both Sides p.34-35
Solving Equations with Variables on Both Sides 19 (Page 34)
Solving Equations with Variables on Both Sides 20 (Page 34)
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arrow_right 4 Rewriting Equations and Formulas p.35
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