Algebra

2x=66.what is x

(a)  

if x=20,solve this 5x-2x

(a)  

what has the same answer? when x=11,

2x-10

• 5+7

• 6x

• 5x

• 7+8

15x=45.What is x

• 3

• 5

• 30

• 25

7 multiplied by Y equals to 630 what is x

(a)  

14 = 2y + 4
is called an...

• Equation
• Expression
• Term
• Money

In the equation x + 4 = 7, the coefficient is...

• 1
• x
• 4
• 7

In the equation 4y + 7 = 21, the coefficient is...

• 4
• 7
• 21
• y

Which expression represents "the difference of a number y and 6" ?

In a fraction the number at the top is called numerator while the number below is called

• Determinator
• Denomination
• Denominator