Big Ideas Math: Modeling Real Life, Grade 6
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Big Ideas Math: Modeling Real Life, Grade 6 View details
2. Solving Equations Using Addition or Subtraction
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Exercise 3 Page 252

Substitute 5 into the given equation and then simplify.

Yes

Practice makes perfect
We can determine whether 5 is a solution by substituting it into the equation and simplifying using the order of operations.
35 = 7n
35 ? = 7( 5)
35 = 35 âś“
Since both sides are equal, 5 is a solution.