Yr 8 Two-Step & Three-Step Equations

9s + 3 = 57

• s=6

• s=6 2/3

• s= - 6

• s= -6 2/3

4d + 6 = 42

• d = 12

• d = 6

• d = 9

• d = 4

-3y + 12 = -48

• y = -12

• y = 20

• y = -20

• y = 12

 $\frac{k}{2}\ +\ 9\ =\ 30$  

• k = 21

• k = 15

• k = 72

• k = 42

 $\frac{z}{5}\ +\ 3\ =\ -35$  

• z = -190

• z = -38

• z = -160

• z = -75

 $24\ +\ \frac{n}{4}\ =\ 10$  

• n = -3

• n = -64

• n = -38

• n = -56

 $-5\ =\ 9\ +\ \frac{c}{4}$  

• c = -56

• c = 36

• c = 48 

• c = -36

 $-3\ +\ \frac{p}{7}\ =\ -5$  

• p = 56

• p = -38

• p = 35

• p = -14

 $46\ =\ -6t\ -\ 8$  

• t = -9

• t = 6

• t = 25

• t = -7

-4x+1=21

• x=120
• x=5
• x=30
• x=-5

Tags

CCSS.7.EE.B.4A