4.1
4.2
4.3
4.6
4.7
100

The product of nine and y

9y

100

3x=21

x=7

100

8x-9=7

x=2

100

7a+2a-4a=-45

a=-45

100

4x+35=11x

x=5

200

four less than the product of z and 8 

8z-4

200

y+81=107

y=26

200

21=7-2x

x=-7

200

10y+9-3y+9=59

y=7

200

5p-10=8p+14

p=-8

300

Evaluate the expression:

6b+5 when b=-4

-19

300

3.25=m-6.25

m=9.5

300

2m+6=18

m=6

300

-52=4(x-8)-2(x-5)

x=-15

300

25-9c=c

c=2.5

400

Determine if the number given is the solution to equation:

4x+1=9   is 2 the solution 

yes

400

The product of x and nine equals thirty-six 

9x=36; x=4

400

Four times a number x plus eleven is thirty-five. Find the number. 

4x+11=35; x=6

400

2+1/5m+3/10m+7=5

m=-8

400

0.4h+1=16-1.1h

h=10

500

1/4h+2=0        is 8 the solution 

yes

500

Thirty-one less than x is negative ten. 

x-31=-10; x=21

500

The number y divided by negative six is decreased by seven is eleven. Find the number.

y/-6 - 7=11; y=-108

500

40-2(d+5)=20

d=5

500

11+4a=a+5

a=-2