If it's not what You are looking for type in the equation solver your own equation and let us solve it.
21+6x=-
We move all terms to the left:
21+6x-(-)=0
We add all the numbers together, and all the variables
6x+21-0=0
We add all the numbers together, and all the variables
6x+21=0
We move all terms containing x to the left, all other terms to the right
6x=-21
x=-21/6
x=-3+1/2
| 3x+39=68 | | 4x=3=7-x | | 6x2-6=0 | | 4x^2-5=39 | | 10x^2-60=0 | | 60x=1500 | | 13x=1951 | | 36x=864 | | 35x=-525 | | 9x^2-25=20 | | 62x=-186 | | 10x=4+x | | X-(x*0.2)=12 | | 15x=-300 | | 3f(-9)=-27 | | 2x+7=3x+10 | | 7x^2-349=0 | | 3y+5=40 | | 2,71^(4x)=10 | | 5f+10f-6=39 | | t-1=14 | | 94-2x=14-2x | | 4+10x=22x | | 17-4y=-3 | | 2(1-3q)=18 | | 5(2-3x)-17(2×5)=12 | | 200-4x+28/4-x=24 | | 7+(d-2)=42 | | 360-4x+28+2x/3*(1-x+2+x)=4(x+2) | | x-430=817 | | 2x=18÷12 | | 5m-9=7-3m |