If it's not what You are looking for type in the equation solver your own equation and let us solve it.
13a=120.25
We move all terms to the left:
13a-(120.25)=0
We add all the numbers together, and all the variables
13a-120.25=0
We move all terms containing a to the left, all other terms to the right
13a=120.25
a=120.25/13
a=9+2.6/10.4
| 9.2c=92 | | 4y-18=-2(y+6) | | 40/y+22=27 | | x+x-8+2x+6=90 | | 3(k+7)=57* | | 1467+k=1653 | | 2x-6.1=25.3 | | 6=21-5y | | 2s=11 | | 3×9=(87÷h)÷9 | | v=9+14 | | 7.4x=2/7 | | 3(k+7)=57 | | 0,4x=54 | | x+12/2=3(x+7) | | –14=2x+4(x+1) | | 76+2n=182 | | 2x+24=3x+21 | | 10u−54=7(4u+5)−6(3u−10) | | 9x2=18 | | 3x2-5x4–12=0 | | 3x2–5=8x+6 | | (2x+1)2-2(2x+1)=8 | | 1/4x+1/3x+50=x | | 21y-54=0 | | 5x−4=3x−12 | | 354=-6(-3+8a) | | x-4+2x-12+6x-20=108 | | |x-5|=|x+1| | | 4x+60=100-2x | | 9^x-(7*3^x)=18 | | x+.125x=8501 |