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)
(2/5)*x-(3/10) = 15 // - 15
(2/5)*x-(3/10)-15 = 0
(2/5)*x-3/10-15 = 0
2/5*x-153/10 = 0 // + 153/10
2/5*x = 153/10 // : 2/5
x = 153/10/2/5
x = 153/4
x = 153/4
| 5n+n=48 | | 1.5(12f-3)=4f-1 | | 5y^2=4x^2-19 | | 5y^2=4x^2-18 | | 11=v-9 | | 1.5+4f-1=4f-1 | | 6x-4=14x+76 | | 10(3x+12)=180 | | x^2+2x+8=6x+18 | | 0=r^2-204.49 | | 6x+2y=39 | | b-4p=8.60 | | x^3-3x^2+9x+16=0 | | .5(380+-1.5y+-1.75z)+.75y+.875z=190 | | -16x^2+120x+5=0 | | 42x^2-43xy+6y^2= | | .5x+.75y+.875z=190 | | -2x-9sqrt(x)-4=0 | | 0=r^2-13250.9520 | | 2Ln(x+3)=ln(x-2)+1 | | 5b-4-9b-8= | | 5(3+g)-2g=3(g+3)-1have | | 2a+5-6a= | | -32+18X=-30 | | 6c^2+c^2-2=0 | | 9+5y-21y= | | 3b^2-31b=-56 | | A(3)=4+(4+1)(-5) | | 0=r^2-243.36 | | 4(7n+33)+7(n+1)= | | 3d-7=5d+11 | | 5b=21+41 |