If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x/4=(x-21)
We move all terms to the left:
x/4-((x-21))=0
We multiply all the terms by the denominator
x-(((x-21)))*4=0
| 5(x-1)+3(x-4)=7 | | 4x(3x-15)=2x+24 | | 7x=(2x–18) | | (y+5)^2-25=0 | | 3(4a-7)=123 | | 4/x=x-21 | | P(x)=x^2+9x-90 | | 4(3x)-5=0 | | 2x²-4x-5=0 | | 0.18(5x-1)=0.5x+0.8 | | 5(a+6)-2(a-9)+15(a-4)=0 | | -2|0.25x+2|=10 | | 0.4(3x-1)=0.5x-1 | | 2x^+5x-52=0 | | (5/2)*(-4x-2)=(3/4)*x+6 | | M-m-1=4-m-2/2=4 | | 5r=0.008 | | X-3x-1/7-5+3=0 | | 0.6*x^2-240*x+7460=0 | | 0.82y+0.18y=50000 | | 0.82x+0.18x=50000 | | 4x²-48=0 | | 5t2+12t-65=0 | | -1.5x=-4.5 | | (7/3)t-2=19+5t | | 46x+30=273 | | 4(2x-2)-4=2x+6 | | X+8/t=-9 | | (2+4x)=28 | | 12t^2-t-27=0 | | -20b^2-9b+18=0 | | -20b^2-9b+18=9 |