Download multi-step equation: around the world activity

CC Math I Standards: Solving Equations Unit 3 NAME ____________________________
SOLVE EACH EQUATION ON A SEPARATE PIECE OF PAPER.
Solutions to problems are provided at the end of each section to check correctness.
SECTION ONE PROBLEMS
1) 3x + 5 – 4x= -8
6) 2(–x + 1) + 5x = –7
2) 2x + 3 – 9x = - 3x – 4x + 3
7) 5x + 9 – 8x = 12 – 3x
3) 2(x + 9) = 26
8) 6 – (x+ 4) = – 5
4) 8 + 4(x – 3) = 16
9) 11 - 5x + 4 = 0
5)
3x  7
 1
5
10) – 2 (x + 1) + 3(2x – 5)= -9
11) -10x + 7 – 2x - 12 =1
Section I SOLUTIONS
1
2
A. x = 7
B. x 
E. All Numbers
F. x = 4
G. x = 5
I. No Solution
J. x = 2
K. x 
C. x = 13
D. x = 3
H. x = -3
2
3
SECTION TWO PROBLEMS
17) – 3(2x – 1) = 57
12) ½(x + 8) = -6
13) (7x + 4) – 1 = 11x + 7 + 3x
14)
x2
2
3
18)
9  3x
7
6
19) 8x – 19 = 5x – 3
15) 2 – (x – 2) = –7
20) 2(5x +1) + 2x=11
16) 5x – 2(3x + 4)= – 2
21) 4(3x + 7) – 8 = 17x – 5(4 + x)
Section II. SOLUTIONS
A. No Solution
B. x = 8
16
x

E.
3
F. x = -6
I. x = -20
J. x = 11
C. x = - 11
D. x = -9
G. All Numbers
3
x

H.
4
Solving Equations Matching ANSWER KEY
PROBLEMS
SOLUTIONS
1) 3x + 5 – 4x= -8
2) 2x + 3 – 9x = - 3x – 4x + 3
3) 2(x + 9) = 26
x = 13
All Numbers
x=4
4) 8 + 4(x – 3) = 16
x=5
5)
3x  7
 1
5
x
2
3
6) 2(–x + 1) + 5x = –7
x = -3
7) 5x + 9 – 8x = 12 – 3x
No Solution
8) 6 – (x+ 4) = – 5
x=7
9) 11 - 5x + 4 = 0
X=3
10)
– 2 (x + 1) + 3(2x – 5)= -9
11)
-10x + 7 – 2x - 12 =1
12)
½(x + 8) = -6
13)
14)
(7x + 4) – 1 = 11x + 7 + 3x
x2
2
3
x=2
x
1
2
x = -20
All Numbers
x=8
15)
2 – (x – 2) = –7
x = 11
16)
5x – 2(3x + 4)= – 2
x = -6
17)
– 3(2x – 1) = 57
X = -9
18)
9  3x
7
6
x = - 11
19)
8x – 19 = 5x – 3
20)
2(5x +1) + 2x=11
21)
4(3x + 7) – 8 = 17x – 5(4 + x)
16
3
3
x
4
x
No Solution