If it's not what You are looking for type in the equation solver your own equation and let us solve it.
18s-13s=20
We move all terms to the left:
18s-13s-(20)=0
We add all the numbers together, and all the variables
5s-20=0
We move all terms containing s to the left, all other terms to the right
5s=20
s=20/5
s=4
| 4(2n-3)=4n+3 | | 20+8n=-2n-20 | | -1.2=11.6+u/8 | | 14q-11q=18 | | 7t-6t=18 | | c2=64/225 | | 6(2+3z=3(4+6z) | | z/5+3=-55 | | 13p=9+16p | | v+3=(v-7) | | 0.25k=3(−0.25k+3) | | -3.6y=-10.8 | | 10p-p=18 | | 10.5-3y=9 | | 3x+16+2x-4=62 | | 10p−p=18 | | 2.5k=11+3.5k | | 3x-2x+7=¹¹ | | c2=0.36 | | 3h-h=20 | | .25k=3(−.25k+3) | | 3h−h=20 | | 4z−1=√25z2−14z+2 | | 4(x+8)=3(2-3x) | | 3x-37=10x-863 | | x/4+17=14 | | 9x^2+45x+36=0 | | 4(4+8)=3(2-3x) | | 50x+35=50x | | -6.25=1.25x | | (3+x)/2=4 | | 3x^2+17x-6.1=0 |