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)
x/4+x/5 = 18 // - 18
x/4+x/5-18 = 0
9/20*x-18 = 0 // + 18
9/20*x = 18 // : 9/20
x = 18/9/20
x = 40
x = 40
| -22-q/5=15 | | 6x+81=-9x | | -10m+7=-7m-11 | | 8x+5=4x+8 | | 7x/10+23 | | 2^2+3^3(8*3/6)=N | | 2^2+3^3(8x3/6)=N | | mover-6+6=41 | | -7y-35=61 | | -8x-8y=-8 | | 59a=6+49a | | 7x-8y+5=0 | | 52+5y-19=15y-9-3y | | x^2-4x+7+x^2+2x-3= | | 2a+a=4a-19 | | x/2+y/3=0 | | 4z+12=3z+5 | | -y=-3x+4 | | 49+8*9/12-50=N | | 560/(230+s)=360/(230-s) | | 3x=12-4y | | x^2+35x+18=0 | | 0.36y-0.5=0.16y+0.3 | | 500/(230+s)=420/(230-s) | | px(2x+p)(4x-5p)=0 | | X=-1.75+0.25 | | 8x+2y=-14 | | 1/5y+6x+5 | | 2=(3+x) | | 5x+12(x+5000)=940 | | 6x-21= | | -2y+3x=5 |