If it's not what You are looking for type in the equation solver your own equation and let us solve it.
f in (-oo:+oo)
(7/10)*f = 3 // - 3
(7/10)*f-3 = 0
7/10*f-3 = 0 // + 3
7/10*f = 3 // : 7/10
f = 3/7/10
f = 30/7
f = 30/7
| f(-2)=-2x+3 | | 4+2w=-4 | | -2+6x-4=18 | | 3(2x-5)+3=6x-12 | | E^4x=24 | | -7k+107= | | 3x+21=-8 | | 64x^2+16x-11=0 | | 3(2x-5)-(5x+3)=4(-x-5) | | 0.92x+50=x | | 14y-9=9y+1 | | 10x=5x+1 | | 9v-3=33 | | -6x+2y=28 | | 10x=5x-1 | | 16y^10/5 | | 4x+4(6x-x)-2x= | | v+14=24 | | 60/70=5/11x-4 | | y-10=9x+72 | | 5x+8=5x | | (6/5a)3 | | 9+72=4x+112 | | 3a+1=-26 | | 7a+4b-(-5a-7b)= | | x^2+8x+16=0graph | | 1/2y=2x=10 | | graphx^2+8x+16=0 | | 2x-5(x-3)=-2+5x-39 | | Y=-14+8x | | y=ln(sin(x)+2) | | 5x+100=3x+113 |