If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4x+3+31=90
We move all terms to the left:
4x+3+31-(90)=0
We add all the numbers together, and all the variables
4x-56=0
We move all terms containing x to the left, all other terms to the right
4x=56
x=56/4
x=14
| 3x-35+131=180 | | 3x-35=131 | | 7x=15-2x2 | | 20-n=15 | | (4x+3)+(15x—8)=90 | | 1500÷100=x÷12 | | x+x/4-2=18 | | 4(2-4y)=8y+7 | | (4x+3)+(15x-8)=90 | | -7x+7=5x-14 | | 2n/3+n+2=5 | | 21=3w/7 | | 5m-2/3=5 | | -.75x-.5=2+.25x | | -2x+6=2x-9 | | 25x2+4=20x+64 | | 1. 25x2+4=20x+64 | | 6/19=x/60 | | 12x+7=4x+2 | | 3y-5+3y=19 | | 2⋅x2=5 | | 108=7x-18 | | H(t)=-16t2+24t+40 | | 2(x-7)=37 | | -6(x+4)=2(-3x-4) | | (120x-40x-12x-10x)/120=58 | | 3/4a-9=0 | | (7z+12)=(11z-28) | | 7z+12)=(11z-28) | | x+9(4)=43 | | 5x2-40x+108=0 | | (4d-2)-(3d+2)+(-2d)=-1d |