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)
30 = (-5*x)/3 // - (-5*x)/3
30-((-5*x)/3) = 0
(5/3)*x+30 = 0
5/3*x+30 = 0 // - 30
5/3*x = -30 // : 5/3
x = -30/5/3
x = -18
x = -18
| x-[-9/14]=5/7 | | 5(n+8)=4-3(n-4) | | 18x-8+5=10x+2x-10 | | 3x+3(2x+13)=-42 | | 180=70+50+4x+16 | | y-13=3/7(x-10) | | -0.04+1.32=1.08 | | .5z+7=16-.6z | | 3x+5+4x=10x+17 | | -0.04x+1.32=108 | | 15y=-10x-30 | | a^2=576 | | -3=3x+69(-x+3) | | 6(x+2)+1=-5 | | 14+12=-15x | | 7e+8=-13 | | 7e+8=13 | | X^6-14x^4+12x^3+49x^2-84x+36=0 | | 5+3x=2x-19 | | 1-3(x+2)=5 | | 4x^3+40x^2+96x=0 | | 5+5+5=155 | | 12x^2+49x-84=0 | | 102+76+x=180 | | 2x+7=(-8x)(-9)+10x | | 5g-1=1.5 | | 5g-4=26 | | 7x+3y+6z-4x+4z-6y= | | 16t^2-45t+30=0 | | 7r+2=65 | | -7m+6m-14=-12 | | 3x-1=x-15 |