Using the grid below, identify all of the monomials of \(3x^3 - 5xyz + xz - 3\text{.}\) Then determine the coefficient and variable part of each term.
2.
Simplify the expression \((7m + 3n) + (5m - 3n)\) using a complete presentation. Show the rearrangement step, the grouping step, and the arithmetic step.
3.
Simplify the expression \((5x + 3) - (2x - 5)\) using a complete presentation. Show the distribution step, the rearrangement step, the grouping step, and the arithmetic step.