If it's not what You are looking for type in the equation solver your own equation and let us solve it.
5(6x+21)=255
We move all terms to the left:
5(6x+21)-(255)=0
We multiply parentheses
30x+105-255=0
We add all the numbers together, and all the variables
30x-150=0
We move all terms containing x to the left, all other terms to the right
30x=150
x=150/30
x=5
| 2x+8=5x-28 | | v+13=2 | | -2+5(x-13)=x-13 | | −6x−1+5x2=8x2 | | 3u-5=9 | | 4w=3w−7 | | v8=3 | | 8s=7s+8 | | 8b=7b+9 | | 2(11)=q | | 7+8n=9n | | 9(a-1)^2+3(a-1)-2=0 | | -11=-5w+2(w+5) | | 3=w/3-7 | | 60x=6×3 | | -3x-10=2x+1 | | 15-(X+5)=x-2 | | 8x^2-9x=2^2-x | | 5v+v2=17 | | /12t+3t=64+11 | | 5y-5=2y+6 | | 13=f+5 | | -v+5=1+1v+3 | | 15x-43=9x-2 | | 18=b+12 | | 3(2x+6=36 | | 20x+35=50x+25 | | 20.99+74x=191.93 | | 2=5s-13 | | 6q=25.8 | | 28=b+b | | -x-3(x-2)=6x-2 |