If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4x+5=9x+21
We move all terms to the left:
4x+5-(9x+21)=0
We get rid of parentheses
4x-9x-21+5=0
We add all the numbers together, and all the variables
-5x-16=0
We move all terms containing x to the left, all other terms to the right
-5x=16
x=16/-5
x=-3+1/5
| 1045+135x=1150 | | 3s+7.99=71.83 | | 12x-4=-4+2 | | -10-3c=2c | | 13+5x-2x=43 | | 1/3r=-2 | | 6x+4=10x+12 | | 8x+7-6x=23 | | 9x-4=5x+4(x+1) | | 1045+135x=1585 | | 74=3u+17 | | 1x=120 | | X-2/6-2x/4=4 | | x-7.57=5.28 | | 3+5x=2(−x+9)−43 | | 13=m=21 | | 3.8n+1=-2.8 | | 74=3u+7 | | 24+4x=8 | | 4u+4=-24 | | 11x-9=75 | | 34=u−9 | | (2x+7)=(4x-3) | | (6r-8)=-3 | | 3(2x-3)/4=2(2x+5)/3 | | 3.4x-15.2=8.6 | | F(x)=500(1.05)4^ | | 13u=7u+36 | | 5x-3/4+2x-7/7=9 | | (3x+5)=(4x+-1) | | 1x-16=24 | | X/2+x/5=x-3/5 |