If it's not what You are looking for type in the equation solver your own equation and let us solve it.
20+6a=4a
We move all terms to the left:
20+6a-(4a)=0
We add all the numbers together, and all the variables
2a+20=0
We move all terms containing a to the left, all other terms to the right
2a=-20
a=-20/2
a=-10
| 9t=4(9t+12)+6 | | 4x+1=x-15 | | -5(-m-12)=5m | | 6x+25=75 | | 8c=757 | | -2(8r+19)=4-10r | | k+2+14k=14k-13 | | s-45=3 | | 7y+5=4× | | 72|r=8 | | 18v=-9(-2v+3) | | -14g-5=10g-4(6g-1 | | 4(u+3)=-3u-44 | | 15(2x+4)-10x=5x+15 | | -5(-5j+20)=19j+20 | | 21+3x-5=2(x-4) | | (x-1)(x+1)=2 | | 5(-3+x)=6x-1/5 | | -5.8-4y-4.6-2y=-5y+4.9 | | -17+8+18s=18s-9 | | 0.06(6x+2)=0.36(x+1)-0.24 | | -15y=3(-14y+9) | | .06x=732 | | x+2=5x+6 | | -14-15z-3=-15z-17 | | -6q-16+14q=8q-11 | | -32=8+5h | | 353=-5x+4.905x^2 | | 6(-3d-4)=-18d | | 5(-3p+16)=-8+14p-18p | | 5k-5÷k+1=0 | | -3(x-6)=3x-12 |