7th Grade Expressions, Equations and Inequalities

Distributing

100

Simplify

-3(2x+8)

-6x+(-24) or -6x-24

200

Simplify

(-13f+4y)-6

78f-24y

300

Simplify

1/6(12x+30)

2x+5

400

Simplify

-5(2x−7+4y)

-10x+35-20y

500

Simplify

−6(−x+3+y-13z)

6x-18-6y+78z

Combing Like Terms

100

Simplify or find an equivalent expression

14x - 19 + 23x – 15

37x-34

200

Simplify or find an equivalent expression

-5xy - 12x - 7xy +11y

-12xy-12x+11y

300

Simplify or find an equivalent expression

11x + 7 + 13x - 22x

-2x+7 or 7-2x

400

Simplify or find an equivalent expression

-3.8x - 9 + 2.4x

-1.4x - 9

500

Simplify or find an equivalent expression

( 6x + 9 ) + 3( 10x + 15 )

36x+54

One Step Equations

100

Solve for X and show all of your work

7x=49

x=7

200

Solve for X and show all of your work

x-14= -9

x=5

300

Solve for X and show all of your work

x/6=-12

x=-72

400

Solve for X and show all of your work

-6.7+x=10.8

x=17.5

500

Solve for X and show all of your work

(1/7)x=5

x=35