#42 a

Name Period _________ Score __________ Honors__________________________ Math 7 Name___________________________________ ID: 1 Honors Math 7 - “Solving Two-Step Equations, Day #1” HW Assignment

If you need to review:Period____ Date________________

Solve each equation. SHOW ALL STEPS! No Steps = No Credit! 1) 0r = 11

2) −20 = 41 + n

3) 4399 = −83x

5) −19n =

95 3

7) −8.2491 = −3.1a

9) 6 = −1 +

11) −11 =

n 3

n − 10 8

4) −5

6)

17 2 = −2 + r 21 3

3 3 =− n 10 5

8) p − 15.7 = −17.2

10) 83 = −6a + 5

12) −7 − 8x = 161

13) 10k + 10 = 60

-1-

1) 2) 3) 4)

Go to www.danielsmath.net Honors Math 7 Honors Math 7, Trimester 1 Screencast #42a

r 2

14) −22 = −12 +

16) −10 = −7 +

15) −8n − 3 = 125

k 3

17)

a + 4 = 10 3

18) −263 = 12n − 11

Simplify each expression. 19) −6( x − 5) + 9x

20) −

21) −8.8 − 1.6(0.7x − 3.1)

23)

( ) (

3 3 9 10 5 x−1 + − x+ 2 5 5 3 2

( )

7 9 r− +r 2 4

22) −3(6k − 5) + 10(−1 + 7k)

)

24) −3.7(1.59 + 2.7m) − 3.1(3.5m + 2.9)

Write 2 equivalent numeric expressions that will help you find the answer. You DO NOT have to find the answer. 25) Deborah has a piece of string that is 120 cm long. Jennifer has a piece of string that is 23% longer than Deborah's. How long is Jennifer's piece of string?

-2©C q2]0t1^5n YKQuVt_ac HSWoOf[tcwuahr_eH LLQLMCm.l K tA`lWlU Mr_iug]hatpsj [rOeQsWeyryvqeqdZ.d F ^MFaqdGeN DwGiDt`hS eIHnnfoinnHiCtZed FP[rdeL-UAIlBgEeVbXrFaS.

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