Show:
six pt 1
six pt 2
Seven pt 1
Seven pt 2
eight
100

8 + (-10)

-2

100

8 x (-4)

-32

100

Simplify the expression.

6(3y)

18y

100
-3x - 2


Write down the terms

-3x, -2

100

X + 4 = 12

x = 8

200

-19 + (-5)

-24

200

-2 x (-67)

134

200

Simplify the expression


14 - 4y + 8 + 2y

22 - 2y

200

-3x - 2


Write down the coefficient

-3

200

X - 12 = 45

X = 57

300

5-13

-8

300

-16 / 2

-8

300

Simplify the expression

13 + (8 - x)

21 - x

300

-3x - 2


Write down the constant

-2

300

-3x = -18

X = 6

400

12 - (-9)

21

400

-212 / (-4)

53

400

3(x + 3)

3x + 9

400

Evaluate the expression.

x - y, when x = -4, and y =-9

5

400

X - 14 = -22

X = -8

500

-4 - 17 + 6

-15

500

51 / (-3) x (-4)

68

500

-7(x + 10)

-7x -70

500

Evaluate the expression.

2x + y, when x = -4, and y =-9

-17

500

X + 17 = -45

x = =72