Algebra

2 step equasions

100

6x-3=15

x=3

200

3y + 6 =18

y = 4 

300

17x - 8 = 94

x = 6

400

6x+8=20

x=2

500

3 + x

------      =  4

   5 

x = 17

3 step equasions

100

x + 3x - 7 = 9

x=4

200

4x + 3 = -5x + 21

x = 2

300

7x + 3 = 2x + 13

x = 2 

400

5x + 14 = 9x - 5 

x = -2

500

2x + 3 = 10x / 2

x = 1

multiple variables

100

x - y = 2

x + y = 10

x = 6

y = 4

200

a - b = 2 

a + b = 4

a = 3

b = 1

300

3x + 6 = 18

2y + 4 + x = 28

x = 4

y = 10

400

5x + 3 = 43

x - y =  - 6

x = 8

y = 14

500

x + y = 12    

4x + y = 3

x=7

y=5

brackets

100

3 + (x + 4) = 15

x = 8

200

2(3y - 5) = 14

y=4

300

(4+x) + 3x = 32

x = 7

400

(A+ 2) x 4 = 36

A = 7

500

2( 5 - 3) + 3(x + 3) = 22

x = 3

exponents

100

x ^- 8² =16

x = 80

200

3^{2 +} x = 22

x = 13

300

5 + x² = 54

x = 7

400

3³ + 5 - y = 23

y = 9

500

x²  -10 x 6 = 90

x = 5