Basic Algebra Equations

can be simplified to

• 20 / (15a²) 

• 20a / (15a²) 

• 12a³

• 4 / (3a)

A toy company spends $1500 per day for factory expenses plus $8 to make each teddy bear.  They sell the teddy bears for $12 a piece.  Which equation could be used to find the number of bears t the company has to sell in one day to equal its daily cost?

• 1500 + 8t = 12

• 12 + 8t = 1500

• 1500 + 8t = 12t

• 8t = 12t + 1500

8v - 4(v + 8) = 8

• 2

• 10

• 4

• -4 

can be simplified to

• -3x

• -3xy

• -3x/y

• -3x³y

Solve the following equation: If 3 times a number plus 5 equals 17, what is the number?

• 7

• 10

• 4

• 2

If 2 times a number minus 7 equals 11, what is the number?

• x = 5

• x = 9

• x = 12

• x = 3

Solve the equation: 5x - 3 = 22

• x = 10

• x = 3

• x = 7

• x = 5

Solve the equation: 2y + 7 = 15

• y = 10

• y = 4

• y = 6

• y = 2

If 4 times a number plus 8 equals 20, what is the number?

• 2

• 5

• 3

• 10

A meat seller sells x kg of duck at $8.50 per kg and (2x+5)kg of chicken at $3.60 per kg. If he collects a total of $206.40, find the value of x.

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