Solving Equations JEOPARDY

Solving One-Step Equations

100

y + 2 = 7

y + 2 = 7

y = 7 − 2

y = 5

200

m − 6 = 10

m − 6 = 10

m = 10 + 6

m = 16

300

9 + n = 13

9 + n = 13

n = 13 − 9

n = 4

400

4x = 20

4x = 20

x = 20/4

x = 5

500

v/5 = 3

v/5 = 3

v = 3 (5)

v = 15

Solving Two-Step Equations

100

4x + 5 = 13

4x + 5 = 13

4x = 13 − 5

4x = 8

x = 8/4

x = 2

200

2x + 3 = 15

2x + 3 = 15

2x = 15 − 3

2x = 12

x = 6

300

6x + 3 = 33

6x + 3 = 33

6x = 33 − 3

x = 30/6

x = 5

400

x/4 − 2 = 3

x/4 − 2 = 3

x/4  = 3 + 2

x/4 = 5

x = 5 (4)

x = 20

500

x/2 − 1 = 6

x/2 − 1 = 6

x/2  = 6 + 1

x/2 = 7

x = 7 (2)

x = 14

Solving Two-Step Equations

100

2x + 1 = 11

2x + 1 = 11

2x = 11 − 1

2x = 10

x = 5

200

3x + 2 = 14

3x + 2 = 14

3x = 14 − 2

3x = 12

x = 12/3

x = 4

300

4f − 2 = 14

4f − 2 = 14

4f = 14 + 2

4f = 16

f = 16/4

f = 4

400

x/5  − 1 = 2

x/5  − 1 = 2

x/5 = 2 + 1

x/5 = 3

x = 3 (5)

x = 15

500

x/2 − 4 = 6

x/2 − 4 = 6

x/2 = 6 + 4

x/2 = 10

x = 10 (2)

x = 20

Solving with Combining

100

3g + 2g + 1 = 21

3g + 2g + 1 = 21

5g + 1 = 21

5g = 21 − 1

5g = 20

g = 20/5

g = 4

200

4a + 2a + 3 = 15

4a + 2a + 3 = 15

6a + 3 = 15

6a = 15 − 3

6a = 12

a = 12/6

a = 2

300

10y − 2y + 3 + 2 = 13

10y − 2y + 3 + 2 = 13

8y + 5 = 13

8y = 13 − 5

8y = 8

y = 8/8

y = 1

400

9s + s + 3 − 1 = 22

9s + s + 3 − 1 = 22

10s + 2 = 22

10s = 22 − 2

10s = 20

s = 20/10

s = 2

500

30 + 30z − 10 = 110

20 + 30z = 110

30z = 110 − 20

30z = 90

z = 90/30

z = 3

Solving with Parentheses

100

− 2(x − 5) = 46

− 2(x − 5) = 46

− 2x +10 = 46

− 2x = 36

x = − 18

200

2(1x − 4) + 5 = 9

2x − 8 + 5 = 9

2x − 3 = 9

2x = 12

x = 6

300

−5(4x − 2) = − 30

−5(4x − 2) = − 30

−20x + 10 = − 30

−20x = − 40

x = 2

400

5(2x + 6) + 3 = − 7

5(2x + 6) + 3 = − 7

10x + 30 + 3 = − 7

10x + 33 = − 7

10x = − 7 − 33

10x = − 40

x = − 4

500

3(− 2x − 7) = − 3

3(− 2x − 7) = − 3

− 6x − 21 = − 3

− 6x = − 3 + 21

− 6x = 18

x = − 3