If it's not what You are looking for type in the equation solver your own equation and let us solve it.
15+x*20=500
We move all terms to the left:
15+x*20-(500)=0
We add all the numbers together, and all the variables
x*20-485=0
Wy multiply elements
20x-485=0
We move all terms containing x to the left, all other terms to the right
20x=485
x=485/20
x=24+1/4
| 10+x*4=100 | | X+7=-3x-x | | 10x*4=100 | | 2x-3(-4x+5)=7+2(3x+9) | | (9x+27°)=(6x+66°) | | (y−2)=1 | | 3b/7—1=5 | | 4x+1=2x−3 | | 2(x+5=6(x-1) | | 15/8x+3=3 | | x+3x+(x-62)=518 | | 16c+4c+4c+90=360 | | x-20/5=-4 | | 2x–5=7 | | 3x/4-2=9x/4+13 | | 13x-(-12)=75 | | (7d+23)+6d+5d+139=360 | | p-(-4-2p)=4 | | x+2x+(x-57)=455 | | 7p+19p=3 | | x+7=8x-56 | | z/6-3=z+7 | | 6x-7=21-x | | 20-2p=5 | | 8-y/2=7 | | 5y—12=38 | | 7a-5=4a-25 | | 2q+9=20 | | 13=2c-1 | | 7x+10=5x+14 | | X²+19x+18=0 | | 40x-8=192 |