If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-3-6x=-21=
We move all terms to the left:
-3-6x-(-21)=0
We add all the numbers together, and all the variables
-6x+18=0
We move all terms containing x to the left, all other terms to the right
-6x=-18
x=-18/-6
x=+3
| 15+w/4=28 | | 7x^2+49x=10 | | y=4×+1 | | 12=t/2+10 | | 47=9/5c+32 | | 2-4x=-29 | | (4x^2+8x-6)/x=x+5-(4/x) | | 3(r−86)=9 | | 12=t-5+8 | | -4-7x=31= | | -5(x+2)+3(x-3)=7 | | b÷18=-6. | | (2x-6)+4=12 | | -121(-4)=x-15 | | 13=g/4+9 | | 7n+14=11n-88 | | 0=18-2x= | | -5=-2-3a+3 | | 35x+15=85x+5 | | 3p-12=10p-110 | | h/10+26=28 | | (2x^2+5x-3)/(x^2-x+2)=0 | | y=×-2 | | 15-x=20= | | 18=24−3b | | 8.39=4900/(x/2) | | 17p=-238 | | 1/4(p−7)=1/3(p+5) | | 2x-5=4+2x | | 3/4y-1/4y+3=7 | | 8.39=(4900/x/2) | | 65x=8x |