If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-400=-100x-100x
We move all terms to the left:
-400-(-100x-100x)=0
We add all the numbers together, and all the variables
-(-200x)-400=0
We get rid of parentheses
200x-400=0
We move all terms containing x to the left, all other terms to the right
200x=400
x=400/200
x=2
| 5(1x)=5x5 | | 10.2/x=0.8 | | (-10+2y)+y=8 | | 2.5/2=4.5/x | | 1.6/x=0.04 | | √a²+a=2+a | | h+37=1 | | 2=-9n+22 | | 6n-9=-4 | | 7/10=n-3/4 | | -v/7+8=18 | | 50x^2+2=0 | | 2(5a+7)3a=-14 | | 2+7k=k+11 | | (0.25+y)/3=+1/2 | | 8(2x+5)-72(15-2x)=0 | | 7x-38=2x+8 | | -3x-4=5x+18 | | 2/3v-1/3v+13=18 | | -(x/2)-2=16 | | 16x+260=580 | | 2b+3=4 | | 9½=n/2 | | 4/9=x/72 | | 91/2=n/2 | | -6=m+(-3.43) | | -7/4+41/2k=-193/16 | | 2(x+5)=-90 | | -4x-10=-x+5 | | 5k=8 | | -14+r=-19 | | 2x2-3=-3 |