If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3a-2a+a-2a+2a=20
We move all terms to the left:
3a-2a+a-2a+2a-(20)=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
| 60=90-2x | | -3y+7y+21=37 | | (3k+2)2−6(3k+2)+8=0 | | 6x+4=14x+10 | | -1+y+2y+3=5y+6 | | 7x+3x+10=-2(7x+3) | | x+(x-27)=70 | | 3a-2a+a-2a=20 | | x/12+13=20 | | m+16=21 | | 9w=5w-14 | | -9u+2=2-9u | | -2(1d+6)=-10 | | 3.5w=161 | | 3s-3s+4s+3s-5s+2=16 | | 2k+3-k=0 | | 4y-23=157 | | 4x-28=2-4x | | 16d+-14d+-5d=15 | | 6(w+2)-3w=6 | | 5+7(4x-8)=12 | | -1/3x-5/3=3 | | -2(1d+6)=-6 | | -2q-5=q+10 | | 2/3-11x=4x | | X+(x-27)=90 | | 22a=37+6 | | 5x-12=4x+12 | | 9a-60=1a+2 | | 6/15b-b=6 | | 5(x-2)-7=-4(-7x+6)-9x | | 5-4x+7+2x+3x-3=4+2×5 |