Substitution

Simplify
 $5-7s-9d$  
When s = 4 and d = 3

• -50

• 6

• 4

• -55

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

Simplify
 $-4\left(2d+3b\right)$  
When b = -9 and d = -6

• 0

• 144

• -144

• 156

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

CCSS.6.EE.B.6

CCSS.6.NS.C.5

Simplify
 $-\frac{-6}{z}-7s$  
When z = -3 and s = -7

• 47

• 51

• -51

• -47

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.NS.C.5

Simplify
 $9c+5z+2$  
When c = -9 and z = 9

• 128

• -124

• -34

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

Simplify
 $9k+h$  
When k = 3 and h = 8

• 35

• 19

• 20

• 4

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

Simplify
 $7\left(-5b-9f\right)$  
When b = 9 and f = -8

• 189

• -819

• -189

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

Simplify
 $\frac{k}{-3}-3x$  
When k = -9 and x = -5

• -18

• -12

• 12

• 18

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.NS.C.5

Simplify
 $-8\left(-3x-4z\right)$  
When x = -6 and z = 3

• 240

• -48

• 48

• -240

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

Simplify
 $3b-\frac{-12}{r}$  
When r = -4 and b = -2

• -3

• -9

• 9

• 3

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.7

CCSS.6.NS.C.5

Simplify
 $5+3b-9d$  
When b = -7 and d = 7

• -79

• -89

• 42

• 37

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.NS.C.5