165k views
5 votes
1) 8k-(6k-4)=10 show work please

2) -12x+8+5x=36 show work please

3) -2y+4=8y-6

User KobeJohn
by
7.7k points

1 Answer

4 votes

1) 8k - (6k - 4) = 10


\mathsf{8k-6k+4=10}\\\\ \mathsf{2k=10-4}\\\\ \mathsf{2k=6}\\\\ \underline\mathsf{k=(6)/(2)=3}}



2) -12x + 8 + 5x = 36


\mathsf{-12x+8+5x=36}\\\\ \mathsf{-12x+5x=36-8}\\\\ \mathsf{-7x=28}\\\\ \mathsf{x={28}{-7}}\\\\ \underline{\mathsf{x=-4}}



3) -2y + 4 = 8y - 6



\mathsf{-2y+4=8y-6}\\\\ \mathsf{-2y-8y=-6-4}\\\\ \mathsf{-10y=-10}\\\\ \mathsf{y=(-10)/(-10)}\\\\ \underline{\mathsf{y=1}}

User Janghou
by
8.3k points