Front

Translate this phrase into an algebraic expression: 2 times the difference of a number and 11 (Use t to represent the unknown number)

Back

2(t - 11)

Front

Simplify the expression: (-4a + 5b – 7) – (5a + 3b)

Back

-9a + 2b - 7

Front

What is the result of (8x + 7) - (8x + 7)?

Back

0

Front

Simplify the expression: (5x - 6) - (x + 2)

Back

4x - 8

Front

What is the result of (10x + 2) - (8x - 4)?

Back

2x + 6

Front

Define 'expression' in mathematics.

Back

A combination of numbers, variables, and operators (like + and -) that represents a value.

Front

What does 'subtracting expressions' mean?

Back

It refers to the process of taking one algebraic expression away from another.

Front

What is the first step in subtracting algebraic expressions?

Back

Distribute the negative sign to the second expression.

Front

What is the result of combining like terms in an expression?

Back

It simplifies the expression by merging terms that have the same variable raised to the same power.

Front

What is a 'variable' in algebra?

Back

A symbol, often a letter, that represents an unknown value.