Translating Equations

Front

Translate: two times the sum of a number and five

Back

2(y + 5)

Front

What is the difference between an expression and an equation?

Back

Expressions do not have an equal sign and equations do have an equal sign.

Front

Twice a number is 24.

Back

2n = 24

Front

A number tripled subtracted from 60 is the same as 21.

Back

60 − 3c = 21

Front

Two more than 4 times a number is -18.

Back

4x + 2 = -18

Front

What is an expression?

Back

A mathematical phrase that can contain numbers, variables, and operators, but does not have an equal sign.

Front

What is an equation?

Back

A mathematical statement that asserts the equality of two expressions, containing an equal sign.

Front

Translate: the product of a number and 7 is 35.

Back

7n = 35

Front

Translate: the sum of a number and 10 equals 50.

Back

x + 10 = 50

Front

Translate: five less than twice a number is 15.

Back

2n - 5 = 15