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)
(3/10)*x+4 = 19 // - 19
(3/10)*x-19+4 = 0
3/10*x-15 = 0 // + 15
3/10*x = 15 // : 3/10
x = 15/3/10
x = 50
x = 50
| X+6-x-8=30 | | 7h+21=6h+-18 | | -4xz=z+2 | | 9+4c/-3=17 | | -7(7m-4)=-7(8m+8) | | (13+9x)(6)=78+54x | | 3xa=5yb | | 1.3y-26=-7.8 | | 4(n-6)=6(n+2) | | 4-3n=7 | | 7x-18-2x-7=0 | | -52-5x=95+2x | | -3?-3k+2= | | .8p=35 | | 29=3m | | 5(x+8)/9=10 | | x+4+7x+2=46 | | 6y+2=5y+5 | | 1.8z-54=3.6 | | 6/9=n/24 | | X-2y-z=7 | | -6(3k-4)+8(5k+7)=k+5k | | 5+8n=88 | | (X/5)(x/2)=3 | | x=(3/8)-16 | | 7x-18=2x+7 | | x-4=x-9 | | 3ax^2+3ax-18a= | | 42c^3-69c^2+9c= | | -0.5c-5=0.5c | | 9-2n=14+2n | | X/5-(x/2)=3 |