Front

Back

m = -18

Front

Translate the sentence: 'three times a number subtracted from ten is twenty'.

Back

10 - 3n = 20

Front

Back

x = -5

Front

Back

Infinitely many solutions

Front

If Sarah is 8 years younger than her sister Grace and Sarah is 32 years old, how old is Grace?

Back

Grace is 40 years old.

Front

What is the definition of a variable in algebra?

Back

A symbol used to represent an unknown value.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is the distributive property in algebra?

Back

a(b + c) = ab + ac.

Front

Back

Front

Back

x = 7.