If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-7d=-3d-4d
We move all terms to the left:
-7d-(-3d-4d)=0
We add all the numbers together, and all the variables
-7d-(-7d)=0
We get rid of parentheses
-7d+7d=0
We add all the numbers together, and all the variables
=0
d=0/1
d=0
| -16=2+3u | | z/4+16=18 | | 2x+17=327 | | 6p-4=4p | | 2x+10=-88 | | 14=p/3+10 | | x^2+15=3x-15 | | b/4+12=16 | | 2(-3z+1)=40 | | 3x-2x-x=4-9+5 | | 4x+√7=24 | | n÷23=14 | | 2t-3=1 | | 4x+2.64=24 | | 9(p-4)=-14 | | -9y^2+15=-8y+6 | | -10x+25^x=-1 | | 12x-16=8x+12 | | 1=3c−5 | | 3g−5=4 | | 6=4+2t | | x^2-6x-9=-6x | | 3c-9=7.5+5c | | 3=2b−7 | | 3n2+21n=0 | | -10x+25^x=1 | | .05x=x-157 | | 4x+9=-89 | | 5(x-6)+2=-7 | | 2x-9=-89 | | 2(5)+1y=10 | | 8x+4.5=58 |