Algebra Equations

addition

100

four more than twice a number is 12

2x+4=12

200

eight more than four times a number is 16

4x+8=16

300

eight more than six times a number is 26

8+6x=26

400

three more than five times a number is 53

5x+3=53

500

seven more than twice a number is 23

7+2x=23

subtraction

100

nine less than six times a number is 15

6a-9=15

200

evaluate

if a = 5 and b = 2

ab

10

300

the product of 6 and a number decreased by 5 =15

6b-5=15

400

5 less than a number is 42

a-5=42

500

6 less than three times a number is 55

3f-3=55

solve

100

2x+4=12

4

200

6x+8=26

x = 3

300

10+7x=45

x = 5

400

5b = 3 =53

b=10

500

6b+9=15

b=1