Adding linear expressions

Learn how to add linear expressions. Linear expressions have variable to the first power. When graphed they create a straight line.
Learn to answer this question,
Find the sum of 3x + 5 and -2x + 9
Step 1. Rewrite as one expression.
Step 2. Combine like terms by adding and subtracting

[lisaobermiller]

The first problem should have a Positive 3 because +7 has a greater absolute value than -4!

[guyz]

This helped me understand Linear Expressions better thank you