Expressions, Equations, Inequalities,Combining Liketerms 7-1

Evaluate the expression for the given value of the variable.

2 + x for x = 7

(a)  

Evaluate the expression for the given value of the variable.

4m - 3 for m = 2

(a)  

Evaluate the expression for the given value of the variable.

2(p + 3) for p = 8

(a)  

Evaluate the expression for the given values of the variables.

3x + y for x= 2 y = 4

(a)  

Evaluate the expression for the given values of the variables.

3x + 2.5y for x = 1 y = 2

(a)  

Solve.

4 + x = 13

• x=9

• x=10

• x=17

• x=0

Solve.

p - 5 = 23

• p=29

• p=39

• p=28

• p=2

Solve.

17 = m + 11

• m=67

• m=6

• m=2

• m=28

Solve.

3k + 2 = 20

• k=4

• k=8

• k=6

• k=23

Solve.

 $\frac{r}{4}-5=3$  

• r=32

• r=74

• r=84

• r=23