If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a-63a=387
We move all terms to the left:
a-63a-(387)=0
We add all the numbers together, and all the variables
-62a-387=0
We move all terms containing a to the left, all other terms to the right
-62a=387
a=387/-62
a=-6+15/62
| 2,1+10m=6.28 | | x+5=3x−4 | | 6-5x=-10-7x | | 556x605=36140 | | -24=1-n+6n | | 30-17x=25 | | (3×3×3-3×9)+(7-2×2)b=24b | | 4.4+10m=8.61 | | 0.5=3^x | | x^2-8x+16=14-5x | | 3y+-12=6 | | 3x+2.4(10x+45)=6x+7 | | 5(5v+3)-4(7v+1)=-88 | | 9+15=-4(3x-6) | | x5=x2 | | 5x+5=4x−13 | | x5=x20 | | 4+7x=7x-4 | | -17+22=-5(x+8) | | 0.5m=21 | | 12n-3(6+5n)=8(7-5n) | | 30,000+2,200x=34,000+1,800x | | -17+22=-5)x+8) | | 30,000+2,200x=34,000+1,800 | | 4x-11=1/2(8x-12) | | 2(m+50+50)=3(m-30+50)-70 | | (5x+1)=(3x+19) | | 5x-8x+51=4x+30 | | 2(m+50)+50=3(m-30)+50-70 | | -10x=-25 | | 4x-5+7(x+)=6x+7 | | 2x2-9x+7=0 |