Calculate and Find the slope of the line

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

How do you determine whether a relationship represented as as graph is linear or nonlinear