the following steps are used to rewrite the polynomial expressions.3(x+4y)+5(2x-y)
step 1. (3x+12y)+(10y-5y)
step 2. (3x+12y)+(-5y+10x)
step 3. 3x+(12y-5y)+10x
step 4 3x+10x+(12y-5y)
step 5. 13x+7y
identify the property used in each steps
Step 1: Distributive property
Step 2: Commutative property
Step 3: Associative property
Step 4: Commutative property
Step 5: Combining like terms