If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
x+9/10 = 7/5 // - 7/5
x+9/10-(7/5) = 0
x+9/10-7/5 = 0
x-1/2 = 0 // + 1/2
x = 1/2
x = 1/2
| -7x=7/2 | | -1/4+x=1/12 | | 12=x+1 | | x+1=7/4 | | 5/21=x-3/7 | | x+1=23/12 | | x-10=-32/3 | | x-7/8=-15/8 | | 5+x=29/5 | | -3/4x=-9/20 | | 1/2+x=-3/10 | | 22/5=x-3/5 | | -1+x=-7/12 | | x+2=20/7 | | x/-4=7 | | 3/5+x=8/55 | | -1+x=-9/11 | | -1/2+x=-19/14 | | 187=19+7(13-(-11)) | | x-4/5=-3/35 | | x/-7=-1 | | 6/7+x=-1/7 | | x+9=89/9 | | x-1/2=-3/4 | | x/5=-4/5 | | 5/3=x+7/9 | | 4+x=49/10 | | 73/10=x+3/10 | | -4/7=x+3/7 | | x+4/5=24/55 | | 5/8=x-1/8 | | 5/7x=5/7 |