Worksheet Worksheet 3
1.
Simplify the expression \((3a + 2b) + 2 (-a + 3b)\) using a complete presentation. Show the distribution step, rearrangement step, the grouping step, and the arithmetic step.
2.
Simplify the expression \((-6x + 4y) - (-6x - 4y)\) using a complete presentation. Show the rearrangement step, the grouping step, and the arithmetic step.
3.
Simplify the expression \((7x - 5) - (3x - 4)\text{.}\)