If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-40=4s
We move all terms to the left:
-40-(4s)=0
We move all terms containing s to the left, all other terms to the right
-4s=40
s=40/-4
s=-10
| -5n-4=(6+2n) | | 0.20+7p=0.30+5p | | 2x+x+8x-2=449 | | $8.49$1010–x=8.49, | | 2b-9b+6=58+19 | | 3Xr+4=2Xr-12 | | -5(1-5)+5(8x-2)=-4x-8x | | 5x+1x=33+7x | | 3(x+3)-2(2×-3)=0 | | (3x+2)+(2x-9)+(2x+5)=180 | | 1x+-89=871 | | 8(-6x-4)+7(x-3)=70 | | x+83+x+74+7x-3=180 | | (3x+2)+(2x-9)=180 | | 8y-6+9y=-29 | | 1x-89=871 | | 9m-24=6m-6 | | 1x-871=89 | | 5x+1x=28+8 | | (2x-5)=4x-2(x+5) | | 2x²-20=3x | | 7x-2=3(1-4x) | | -(v-5)-6(v+5)=3 | | 1x+871=89 | | 4x-4+6x+4+70=180 | | -8=x/10 | | 1234567890x1234567890=0 | | 3(y+3)+y=2(y+1)+3 | | 42.95x=60=57.95x | | 9b2=25 | | 4(6v-4)=-136 | | 9y+5=17+3y |