If it's not what You are looking for type in the equation solver your own equation and let us solve it.
9x+21+3x=5
We move all terms to the left:
9x+21+3x-(5)=0
We add all the numbers together, and all the variables
12x+16=0
We move all terms containing x to the left, all other terms to the right
12x=-16
x=-16/12
x=-1+1/3
| 21+x+90=180 | | 13y=40+5y | | 9x+21+3x=x5 | | 27=8x=3-2x | | 3n–8=-2 | | 8x-48=3x-24 | | 1/2(2p+8)=-p+5 | | 1/2(r-12)=42 | | -x-5(1-7x)=131 | | 5c-10=-15 | | 12x=8x+3+x | | -9x+1=-01 | | -2x+4=6x+12 | | 3/n–8=-2 | | 1x/2-4=1x/6+1 | | 18-8w-11=-7w-4 | | 3x^2-79=x^2+4x-9 | | 19x+3=20x+3 | | 4(1.50+3x)=24 | | (6+y)(3y+8)=0 | | 8x-12-3x+12+7x=6 | | 3x+5(x-8)=32 | | 5/6y+1=-1/2y=9 | | 4.4+2s=9.6 | | 8(4x-5)=120 | | 7(u-4)-9=-5(-6u+9)-7u | | -1.7=11.1+y/8 | | 0.6x-5=0.x+7 | | .17x+.07(60000-x)=5000 | | 2(5x-7)=10x | | 19+x+90=180 | | 6(3y+2)=-24 |