Easy Expressions and Equations

x

• variable

• expression

• equation

x + 1

• expression

• equation

equation always has a

• multiplication sign

• subtraction sign

• equal sign

• division sign

2x + 2 y + 18

• expression

• equation

13 x 13 = 169

• expression

• equation

• variable

15 + y = 30

• expression

• equation

What is a coefficient

• x

• 54

• x + y

• 2x

Solve y + y =

• 2

• 2x

• 2y

• 2 and y

Solve; x + x + x =

• 3y and 3x

• -3x

• 3x

• 2x

Solve; -1+(-1)

• 2xy

• 2x

• 22

• -2