Download Solve One-Step Equations

Notes 3.2
Solve Two-Step Equations
Solve a two-step equation
1.) 3x  7  19
2.) 4 y  4  16
3.)  x  7  21
x
4.)  5  11
2
6.) 10 
5.)  1 
z
7
3
2
n4
7
Solve a two-step equation by combining like terms
7.) 4x  7 x  21
8.) 4t  2t  24
9.)  16  5d  9d
10.) 8 y  3 y  44
12.)  32  5k  13k
11.) 36  9x  3x
13.) What is the first step you can take to solve the equation 6 
x
 2 ?
3
a. Subtract 2 from each side
b. Add 6 to each side
c. Divide each side by 3
d. Subtract 6 from each side
Homework
3.2
Name ________________________ Date __________ Period________
Solve Two-Step Equations
Solve the equation.
1.) 5h  4  19
2.) 7d 1  13
3.) 2 g  13  3
4.) 10  7  m
a
5.)  4  6
3
6.) 17 
b
7.) 2  9  11
8.)  6 
9.) 7 
5
c 8
6
11.) 1.2 j  4.3  1.7
w
 13
5
z
3
4
10.) 16  2.4d  8
12.) 7.2 y  4.7  62.3
13.) 8t  3t  35
14.) 11x  9x  18
15.) 6  7 f  4 f
16.) 2 p  7 p  54
17.)  9  11m  8m
18.) 4.5z  2.5z  24
Error Analysis Describe and correct the error in solving the equation.
19. 7 – 3x = 12
4x = 12
x=3
20. -2x + x = 10
-2x + x = 10
-2
-2
x= -5