If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2*9=3x
We move all terms to the left:
2*9-(3x)=0
We add all the numbers together, and all the variables
-3x+18=0
We move all terms containing x to the left, all other terms to the right
-3x=-18
x=-18/-3
x=+6
| 45x-4=131 | | -7=9-2d | | 1-3(a+2)=7-a | | 3x+21=7x+9 | | 0.2(4x+12)=4 | | x(30-2x)(20-2x)=1500 | | 12*24=x*16 | | -4+7=2x-8 | | 53x-4=102 | | x(30-3x)(20-2x)=1500 | | 2x-4+x-4=5x+8 | | 20=√20x | | (20x+66)/7=398 | | 6+2x=4 | | 4x-(3x+7)=21 | | 8=3/4)a+12-a+4 | | (3x-8)=(4x) | | -4b-6=74 | | -3p+10=-50 | | 2(3x−5)=2x+14 | | 2/3-(0.25-6)+1/2x(-1-(2-1/2)=x | | 4x–8=6+2x | | -12.9x-3.1=56-9.9x | | −12+x8.5=−29.2 | | 6-2f=3f-3 | | (9x-4)+(6x+4)=90 | | a2−12=20 | | a6+4=2 | | (9x-4)+(6x+4=180 | | (9x-4)+(6x+4=90 | | a2+2=6 | | 9x=-7+32 |