If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3(4x+)=39
We move all terms to the left:
3(4x+)-(39)=0
We add all the numbers together, and all the variables
3(+4x)-39=0
We multiply parentheses
12x-39=0
We move all terms containing x to the left, all other terms to the right
12x=39
x=39/12
x=3+1/4
| -2-3=3+x | | X²=25(x+1)²=9 | | `x^2+2x-8=0`. | | 4+10x-2=4(x+9) | | X+(x+45)+90+(2x-90)+3/2x=540 | | 12=42/x | | (x+1)²=9 | | --3b-7-2b+4=-18 | | –7(y+4)=–5y-2y-3 | | (3x-2)+(4x+7)=8x-12 | | 19-5a=2a+10 | | 4+10x=4(x+9) | | 1x+13=12 | | `x^2+2x-8=0` | | -3x+6x-6=3(x-2)-4 | | 9m-11=2-2+9 | | -25=1/2(10×-2)+3x | | -17-2×=6-x | | x^2+2x+2=4x+4 | | 1w-2(8-w)=-31 | | h+2•3.14=3•3.14 | | -8r+16=-40 | | -21=7x-14 | | -2x+6-9+4x-x=5+2 | | 7=x/9-8 | | 1/3(x)+4=x-2 | | 14+2p=78 | | x/4-11=-15 | | 6.5=7.7-0.6x | | x^2-22x+11=-10x | | 7x+17=8x-7+19 | | 4x(3x-2)=-5 |