Question

Simplify the expression
10x+y- (10x+y)+7
And explain alittle please. The Order of how you came to your answer

Answer 1

\[10x+y-(10x+y)+7\] step one the distributive law with the "-" sign
\[10x+y-10x-y+7\] step two is put like terms next to each other, which is unnecessary but i will do it anyway
\[10x-10x+y-y+2\] and step 3 is to combine like terms to get
\[0+0+

7=7\]

Answer 2

thanks lot!!