commutative for addition
<span>22+(m+8)=(m+8)+22</span> then associative
<span>(m+8)+22=m+(8+22)</span>
<span>=m+30</span>
Answer:
how many rubys are there
Step-by-step explanation:
The first one would be $160 and the second one would be $525
Answer:
x= 6
Step-by-step explanation:
Isolate all variables on their own and numbers on the other
5x -4x +7-7 = -1 +7 +4x -4x
5x -4x = -1+7
Solve for x
x = 6
