Answer:
21 + 3a
Step-by-step explanation:
3 (7+a)
distribute 3 into parentheses:
The distributive property states that one should simplify the expression by multiplying each term inside the parentheses by the term outside of them:
3*7=21
3*a=3a
21+3a
Hope this helps!!
3x-3+5x+24+44
3x-3+5×+68
3x+5x-3+68
8x+65
X=65÷8
X=8.125
Commutative
2 + 4 = 4 + 2 as an example
18 and 19
932.8
Hope this helps!
