7th Grade Equations and Inequalities

Equations1

100

16x>32

x>2

200

18x-24x

-6x

300

45x-42x

3x

400

Explain what is an Equation in simple terms?

An equation is a statement that has two numbers and uses and equal sign to conclude the answer.

500

45x+30x

75x

Inequalities1

100

42x+33x

75x

200

-5xy - 7xy 

-12xy

300

40xy-30xy

10xy

400

13x>52

x>4

500

12x>12+12

x>24

Equations2

100

11x+12x-22x

2x

200

45xy-47xy

-2xy

300

12xy/6xy

2xy

400

6.7+10

16.7

500

1/7*2/4 

simplify the answer

1/14

Inequalities2

100

what is an inequality in simple terms

An inequality is a math statement showing that two values are not equal. Instead of using an equals sign it uses greater than,less than ,greater than equal to and less than equal to.  

200

x-5<3

x<5

300

x+8>2

-6

400

3x>12

x>4

500

x/3>4

x>12

Equations3

100

3xy+5xy-7xy

1xy/xy

200

 10x + 5x + 2x

17x

300

-12y+y

-11y

400

-9b+7b

-2b

500

4x + 3x – 5x+6x+8x

16x