If it's not what You are looking for type in the equation solver your own equation and let us solve it.
7x^21=18x-9-3
We move all terms to the left:
7x^21-(18x-9-3)=0
We do not support expression: x^21
| 4x-20=8x+4 | | X-0.5x=200000 | | (5-r)(r-1)=0 | | 5*(5-4x)^2=1125 | | 28-11x=10+7x | | 5(5-4x)^2=1125 | | 3-5=2x+10x | | 3-5=2x+10 | | x^2-6x-9=0/ | | x^26x-9=0 | | 13(3x-7)÷3=78/9 | | 3+5=2x+10x | | 9=w+49/9 | | 6g+12=6g+20 | | 6x-3=17-12x | | (t+7)(t-7)=0 | | 3p-46=p | | 0.5x^2+6x-70=0 | | ((5x-2)/3)-((4x-3)/5)=6 | | 3z/7-8=3 | | (5x-2)/3-(4x-3)/5=6 | | 3-10x+5=2x | | (1800+25,5x)/x=50x | | -10x-2x=-3-5 | | X=1-4y,X=7+2y | | z/9-1=8 | | 16=5x+6=21 | | 11a^2-12a+7=0 | | 11×2y×2+3y=-6 | | 2(x+5)=6+(x+1) | | 6x-1=4x-1 | | (x+2)3=(x-4+2)4 |