Number System
Equation & Expressions
100

−6 − (−10) = ?

What is 4?

100

This is 4(x + 6) after you use the distributive property.

What is 4x + 24?

200

The temperature was −4.5°F at 6 a.m. and rose 12.3°F by noon. This was the temperature at noon.

What is 7.8°F?

200

This is 12n − 18 factored using the greatest common factor.

What is 6(2n − 3)?

300

This is the quotient when −84 is divided by 7.

What is −12?

300

This is ½(8x − 6) − ¾(4x + 12) in simplest form.

What is x − 12?

400

Jamal has $45.20 in his bank account. He makes 4 purchases of $18.75 each. This is his new balance.

What is −$29.80?

400

This is the result when you subtract (3a − 2b + 5) from (−a + 4b − 7), written in simplest form.

W
What is −4a + 6b − 12?