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)
(1/3)*x-(1/3) = (2/7)*x-(1/7) // - (2/7)*x-(1/7)
(1/3)*x-((2/7)*x)-(1/3)+1/7 = 0
(1/3)*x+(-2/7)*x-1/3+1/7 = 0
1/21*x-4/21 = 0 // + 4/21
1/21*x = 4/21 // : 1/21
x = 4/21/1/21
x = 4
x = 4
| Cos40°=15/x | | -4x+17=-16x-18 | | 12x+19=4(3x+5) | | .2x=91 | | 3x+6=-2-3+4x | | (3/8)×(-5/-7)×2 | | 2w+(2w+5)=70 | | x-5(3-2x)=4-(2x-7) | | f(t)=2(0.4) | | 0.5(7d+4)=7-15d | | (11x+2)=8(x+20) | | -24=-(4/9)x | | 144/200 | | 8/4=-20 | | 8/4=-29 | | p/3-3=144 | | 10x-20=x+15 | | Y-3=3/4(x-3) | | -18+2x=-10 | | 20a-16a=20 | | (4-y)/2=(2-y)/3 | | (5y/y-4)-4y/(y-4) | | x-6=54-4x | | 6x+5-2=25 | | 3x+6=-9x-7 | | 75b+8=65 | | -3(x-1)+59=5x-8(x-9) | | 75b+8= | | 20s/5=-16 | | 3(q-z)=27 | | 8b+75= | | -20=-7f+3f |