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)
13 = (7*x-2)/2 // - (7*x-2)/2
13-((7*x-2)/2) = 0
(-1*(7*x-2))/2+13 = 0
(-1*(7*x-2))/2+(2*13)/2 = 0
2*13-1*(7*x-2) = 0
28-7*x = 0
(28-7*x)/2 = 0
(28-7*x)/2 = 0 // * 2
28-7*x = 0
28-7*x = 0 // - 28
-7*x = -28 // : -7
x = -28/(-7)
x = 4
x = 4
| x^2+4x+16=-5x-4 | | 3x+2*0=5 | | 10x=48 | | 3*0+2y=5 | | (4x+3)=(2x+4) | | 18x^2+48x+38=0 | | (2x-1)/6+(x+3)/3=5/2 | | 0.1/2=0.5/x | | 7x-4=4x-8 | | 9-49v^2=0 | | (10x+5)=(9x+10) | | -4*(7-4)-6/6+7 | | logx=2.2033 | | 8=3+4a | | 5x+5(x+0.4)=18 | | -6x+3x=25 | | 3x-(-4)=-14 | | 5/11x+23=-8 | | (2x+2)/y=4w+2 | | 3a+6a+7=29-(4) | | 20x+45=30x+20 | | -6m-6+8m=-5+2 | | 3x+2x-40=255 | | 3a+6a+-7=-29-(4) | | 4-(8x+2)=9(-4+2) | | d=c-s/r | | (2x+5)=(x+7) | | 4+(-5)-17= | | 5+.5y=.375y+6 | | 50-30/4546576+687489 | | (2x+12)=(4x+8) | | (3x+54)=5x |