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One-Step Equations
100

Solving Equations

4x + 3 = 7

x = 1

100

8 + 5

13

100

2x + 5x 

7x

100

25 + 10

35

100

24 = 8 + x

x= 16

200

Solving Equations

25 =3a + 10

a = 5

200

15 - -15


30

200

3a + 4b + 2a

5a + 4b

200

Square root of 64

8

200

x + 12 = 0

x= -12

300

Solving Equations

3c - 6 = 21

c=9

300

22 + -15

7

300

15x - 7 + 3x

18x - 7

300

12 x 3 x 4

144
300

24 = 21 + x

x= 3

400

Solving Equations

z/5 +10 =13

z=15

400

(13- -9) x (5+-3)

2 x 22

=44

400

20b + 15a - 10b +3a

10b + 13a

400

(5x + 7) 2

10x + 14

400

5x = 80

x= 16

500

Solving Equations

2x - 5 = 3

k = 4

500

10 - -90/10

19

500

2(2a + 2x) - 3a

a + 4x

500

25 - 9x 

You cannot do anything with this problem

500

16 = x/2

x= 32