If it's not what You are looking for type in the equation solver your own equation and let us solve it.
A in (-oo:+oo)
90 = A-((1/3)*A) // - A-((1/3)*A)
(1/3)*A-A+90 = 0
90-2/3*A = 0 // - 90
-2/3*A = -90 // : -2/3
A = -90/(-2/3)
A = 135
A = 135
| a^3+2=14 | | 4(2x-1)=6(x+2) | | 4x=8y-56 | | 4x-4=8-2x | | ln(x/5)=0 | | 2-9x=10-5x | | xzy+yxz= | | 5x^2+9=329 | | 27x-1=455 | | 18x+4(6-z)=2z | | 14.25=x-19.25 | | t+12=3t | | 3a-4a= | | 4x+36=0 | | 13=5n-47 | | 29.94x+.1=32.99x+.05 | | x+(.09)x=400 | | 8x3/4 | | 9x-3=78 | | x+0.9x=400 | | 2x+4-x-1=-3 | | 15x-3y=-9 | | 20x+3x=95 | | 8x+-1=14 | | 5(x-2)+3(x+4)=26 | | 5(7-x)/9= | | 16/136 | | 49/70 | | 42/48 | | 6-8=20a+20 | | 1/5+4/5= | | 5(9-z)/4=-z |