If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4c(-2)=20
We move all terms to the left:
4c(-2)-(20)=0
We multiply parentheses
-8c-20=0
We move all terms containing c to the left, all other terms to the right
-8c=20
c=20/-8
c=-2+1/2
| 19=w/3-(-16) | | 15x-5=11x+15 | | -b−8=4−b | | −11/12+p=16 | | -30/y=15 | | 6v−2=6v−10 | | t/4=3 | | −1112+p=16 | | -6n=14-7n | | t4 = 3 | | -7m+4=-8m | | 2r−8+5r=10+r | | 4−5k=-5k+4 | | 3y-2+y=14 | | -5-7b+5b=-5=6b+6b | | -2(4+3y)=-2(4+6) | | 2+6d=6d | | -3k+-3k=12 | | 19=z+7 | | -5(x+7)=-4-7x | | 3(2x-4)=6(x+6) | | -5u-(-7u)=-12 | | -5(x+7=-4-7x | | 4x30=2 | | 376=3x+40 | | 128-x=202 | | 9+16j=15j | | -4=7n | | -3x+367=40 | | 4(2x-4)-5x+4=-30 | | 6+x+5x=4x | | -12-6n=84 |