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)
10-((2/5)*x) = 3 // - 3
10-((2/5)*x)-3 = 0
(-2/5)*x-3+10 = 0
7-2/5*x = 0 // - 7
-2/5*x = -7 // : -2/5
x = -7/(-2/5)
x = 35/2
x = 35/2
| 1/2(13f/5 | | 4-1/2v=-4 | | 2.5+-3.5x=-32x+-48 | | 4-1/2v=4 | | 12+4pd-2p+6pd= | | -5w^3-4w^2=7w+16 | | 2.5+-3.5x=-32+-48 | | 8-5n=3.25 | | -3yx+2x+6y-4=0 | | 5x-9=54-4x | | 2x+3y+4x+5x+6x= | | 2x+2x-6=8 | | P+pq-q-p+3pq-3-q+7= | | 6m^2+23m+15=0 | | (-5r-4)(-r-6)= | | (k-1)x^2-2x+2k=0 | | 12/w=3 | | 7y-80=xy-6x | | (4x^5)^2/2X^12 | | 18k+29=11k-11y | | 2x+x-5+100=360 | | 2x+x-5+100=90 | | 8-4x=5x+28 | | 2x+x-5+100=180 | | (2a+3b)-(a-2b)= | | X^2+6xy+10y^2=0 | | 8-4x-m=5x+28 | | X^2+5x-2000=0 | | Y=0.66X+3.68 | | R/4=3 | | y=4a^2-3 | | -5v=30 |