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Big Ideas Math Integrated I, 2016

BI

Big Ideas Math Integrated I, 2016 View details

Chapter Review

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Exercise 5 Page 44

To solve the equation, we first have to isolate - b.

b=-5

Practice makes perfect

To solve the equation, we first have to isolate - b. We can do this by subtracting 1 from both sides.

6=1-b

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Rewrite 1-b as - b+1

6=- b+1

LHS-1=RHS-1

6-1=- b+1-1

Subtract terms

5=- b

LHS * (- 1)=RHS* (- 1)

-5=b

Rearrange equation

b=-5

Therefore, b=-5 is the solution to the equation. We can check our solution by substituting it into the original equation.

6=1-b

b= -5

6? =1-( -5)

a-(- b)=a+b

6? =1+5

Add terms

6=6 ✓

Since the left-hand side and right-hand side are equal, we know the solution is correct.

Subchapter links

1 Solving Simple Equations p.44

2 Solving Multi-Step Equations p.44

3 Solving Equations with Variables on Both Sides p.45

4 Solving Absolute Value Equations p.45

5 Rewriting Equations and Formulas p.46