50-a/11=58
If 8x^2-26x-7 = 0 then x = -1/4 or x = 7/2
10-12
42=-x/7+29
5x=3y
3(x+3)=2(y+2)
9 6/8 - 5 2/8
602998
2409244
2010095
585130
4818488
4020190
21697546
24214226
6120894
9037838
c/7-31=-29
9-1+3=
7b+2=23
