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United States of AmericaPA
High School Core Standards - Algebra I Assessment Anchors

3.03 Solving multi-step equations

Interactive practice questions

Consider the equation $9\left(n+5\right)=4n+50$9(n+5)=4n+50 for $n=1$n=1.

a

Find the value of the left-hand side of the equation when $n=1$n=1.

b

Find the value of the right-hand side of the equation when $n=1$n=1.

c

Consider your answers from parts (a) and (b).

Is $n=1$n=1 a solution of $9\left(n+5\right)=4n+50$9(n+5)=4n+50?

No

A

Yes

B

No

A

Yes

B
Easy
Approx 2 minutes
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Consider the equation $0.28n-0.4=2.3n-3.03$0.28n0.4=2.3n3.03 for $n=0.8$n=0.8.

Is $p=0$p=0 a solution to the equation $3p-9=7p-1$3p9=7p1?

Is $x=-2$x=2 a solution of $3x-\left(4x-8\right)=-6$3x(4x8)=6?

Outcomes

CC.2.2.HS.D.9

Use reasoning to solve equations and justify the solution method.

A1.1.2.1.1

Write, solve, and/or apply a linear equation (including problem situations).

A1.1.2.1.2

Use and/or identify an algebraic property to justify any step in an equation-solving process. Note: Linear equations only.

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