Algebra (grade 7)

x= 6

Solve 10+x=?

• 160

• 70

• 16

• 700

Solve $\frac{c^2}{x}+14$  


c=2 x=4

• 14

• 15

• 16

• 18

Solve: y (11-2)

y=3

• 33

• 22

• 9

• 27

Group like terms:

14x -3x +2y- y + 3x

• 17x +1y

• 15x +6y

• 10x +2y

• 11x +1y

Group like terms:

12x - y +5 - 9x +1

• 10x -2y -8

• 3x - y +6

• 3x + y +6

• 30x -3y +3

What is the default operation in Algebra?

• Addition

• Subtraction

• Multiplication

• Division

In the video we watched, what did they use algebra to calculate?

• Who would win the American Election

• How many people would be at the party

• Who was considered sus in Among Us

• How fast the pool would drain

Solve:

6b

b=6

• 36

• 12

• 16

• 6+b

Rewrite the sentence into an algebraic expression:

The sum of ten times a number and 12

• 10 x a number +12

• 10n -12=

• 10n + 12 =

• 
  

  $\frac{10}{n+12}$

 $6^2+x=y$  

For the equation above:

How many variables are there?

• 1

• 2

• 3

• 0