Lesson 10
Different Options for Solving One Equation
Problem 1
Solve each equation.
- 2(x-3) = 14
- \text-5(x-1) = 40
- 12(x+10)=24
- \frac16(x+6)=11
- \frac57(x-9)=25
Solution
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Problem 2
Select all expressions that represent a correct solution to the equation 6(x+4)=20.
(20-4)\div 6
\frac16(20-4)
20-6-4
20\div6-4
\frac16(20-24)
(20-24)\div 6
Solution
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Problem 3
Lin and Noah are solving the equation 7(x+2)=91.
Lin starts by using the distributive property. Noah starts by dividing each side by 7.
-
Show what Lin's and Noah's full solution methods might look like.
- What is the same and what is different about their methods?
Solution
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