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Big Ideas Math: Modeling Real Life, Grade 6
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Big Ideas Math: Modeling Real Life, Grade 6 View details
4. Writing Equations in Two Variables
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Exercise 22 Page 270

Substitute (3,5) into the given equation and then simplify.

Yes

Practice makes perfect
We can determine whether (3,5) is a solution by substituting it into the equation and simplifying using the order of operations.
y=5x-10
SubstituteII

x= 3, y= 5

5? =5( 3)-10
Multiply

Multiply

5? =15-10
SubTerm

Subtract term

5=5
Since both sides are equal, (3,5) is a solution.
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arrow_right Try It p.266-268
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arrow_right Self-Assessment for Problem Solving p.269
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arrow_right Concepts, Skills, & Problem Solving p.270-272
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