If it's not what You are looking for type in the equation solver your own equation and let us solve it.
w in (-oo:+oo)
(4/7)*w = -28 // + 28
(4/7)*w+28 = 0
4/7*w+28 = 0 // - 28
4/7*w = -28 // : 4/7
w = -28/4/7
w = -49
w = -49
| 30=-15p | | 6x-5=10x+4 | | (x+2y)-4y(x+y)= | | 2x+10=3t-15 | | 5.25=5.43 | | 3(9s+6)-19s=2(4s+5)-14 | | 2x+6-x=75 | | 28=-6-12+2v | | (-3)(-16x)=x | | 12+3z=96 | | 5x+5+3x=5 | | 3x-5=3+x | | 2x-19=x+55 | | 5x+3(3x-7)=49 | | X+55=2x-19 | | -4p-4p=-16 | | 3x^2-6=12 | | 6x+3(2x+9)=111 | | 11x-2=5x-3 | | x^2-6x-5=50 | | x^3-8x^2+9x+42=0 | | 5(h-82)=75 | | 4-x=x^2-8x-16 | | -64-(4x-14)=10 | | 111=3x+5(4x-10) | | 3y+5y=5y-1 | | 15u-7u=27 | | 6=2(15+3t) | | 1/7(7x-14)-2=1/3(x-2) | | 3=0+b | | X/2=x-5 | | x^2+px+q=5x-7 |