If it's not what You are looking for type in the equation solver your own equation and let us solve it.
5a-15=-20a
We move all terms to the left:
5a-15-(-20a)=0
We get rid of parentheses
5a+20a-15=0
We add all the numbers together, and all the variables
25a-15=0
We move all terms containing a to the left, all other terms to the right
25a=15
a=15/25
a=3/5
| 7m-(-16)=100 | | 5z=-3(2+4) | | 2x+1/5=3/5 | | 3/4x=8+11 | | 3(3x-7)-6x=-16 | | -7(r+8=-14 | | 4a-20=-5a | | 4(3+2x)=7(×-4) | | |6+4x|=26 | | 1/5+y=3/4 | | 1.15(1.50+2p)=11.50 | | 3y-8=3y-8 | | 3-2(8p-2)=-121 | | -j÷12=-8 | | (21)6-2(x+6)=3x+4 | | ((t^2+1)/(t+2))=t/3+5/(t+2) | | 1/5+y=-3/4 | | 2x+6x+18=240 | | 30=-5+7(x+3) | | 12x+4/2=x-4 | | 1+5n+8n=1 | | 1+6n=4n+9 | | 12x+4/2=5-7x/3+10 | | -5x=-5(12+x) | | 3x-4(2×-5)=5 | | X+1/2+x-2/3=3x/4 | | 3/8x-12/8=6/8 | | X=-14,x^2-6x | | 1x+3(1x+1)=-3(1x-8) | | 3+(k-2)=k+1 | | 2/3+3/4a=1/4a-1/2 | | 18=4p+8+2 |