If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4x+15+x-5=90
We move all terms to the left:
4x+15+x-5-(90)=0
We add all the numbers together, and all the variables
5x-80=0
We move all terms containing x to the left, all other terms to the right
5x=80
x=80/5
x=16
| 39=-8+5(x+3) | | 11x+15x-8+3=-5x+3-8 | | -34=5u+3(u-6) | | 26=8(v+7)-2v | | .25(8x-20)=11 | | 1/4(8x-20)=11 | | 64^2x=16^x-6 | | (x+5)/x=7/3 | | 8×-y=29 | | 4y+y^2=60 | | x+(x*0.1)=48500 | | -11y=8-8y | | 5.x+2.3.x-5=-20 | | x+x*0.1=48500 | | -7-6x=2-2x | | -9x+4=x+16 | | -9-(9x-6)=0 | | 9x+4=x+16 | | r^2+11r+32=8 | | -4+5.x=x+20 | | 3x-2(x-7)=28 | | (6/m)-8=16 | | -1+10y=-6+2y | | 4x-5=-6x-1 | | 4.x=x-(-12) | | 3x-39=9x-45 | | 4.x+1=x-8 | | z-16.98=-8.98 | | 9n+6=-426 | | 7+5m=-5-m | | 3x(2x+4=0 | | 9u+8=10 |