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)
(2/5)*x+9/5 = (5/2)*x+21/10+1/2 // - (5/2)*x+21/10+1/2
(2/5)*x-((5/2)*x)+9/5-(21/10)-(1/2) = 0
(2/5)*x+(-5/2)*x+9/5-21/10-1/2 = 0
-21/10*x-4/5 = 0 // + 4/5
-21/10*x = 4/5 // : -21/10
x = 4/5/(-21/10)
x = -8/21
x = -8/21
| (5/6)x-2x+(8/3)=5/3 | | x^2-24x+144=16 | | 680+34(h-40)=1122 | | -132.4y+54.8=47.9y+60.1 | | 4[b+6]-5b=32+b | | g/3+g=7/9 | | (2x+3)=(5x-3/4) | | -9x+2(3x-5)=-14-2x | | 4w+7/2=w+4/7-4 | | 5t-3=t+3 | | -0.8-8.7t=-(9.4t+1.4) | | 2x+3=5x-(3/4) | | -(6x+2)=8-2(3x+11) | | (2+t)*3=t+12 | | 4x+5-8x=14-18x+14x-9 | | (2+t)*3=n+12 | | 55=2x+15 | | 2x+3=5x-3/4 | | 8x=8-6x | | 6=7x-x | | 10*5=x | | 15+2x=55 | | y=-4(-3)-14 | | 2x^2+3xy+y^2+6x-2y+1=0 | | 5x+2=9x-34 | | 25x^2+30x+12=0 | | 7/35x=-4/35 | | y=110(1706)+56 | | 3/4x2+8x+20=0 | | 4^-3a^4b^-6c^-1/3^-2*4^3a^-4b^-3c^4 | | -6=4-(6-c) | | 1/5x+1/7=30 |