If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2x=-198
We move all terms to the left:
2x-(-198)=0
We add all the numbers together, and all the variables
2x+198=0
We move all terms containing x to the left, all other terms to the right
2x=-198
x=-198/2
x=-99
| 9=7+u/5.12 | | 5+w=-7 | | -1.001+a=-1.765 | | (3x+2)+1=(22-x)+5 | | -4x-8=-2+12 | | x=-2x+57 | | 12-2x3=30 | | t^2-19t=0 | | 5x-4+2x=3x+8+7x | | -(-2x+1)=9−14x | | 3.5=-7y+25.9 | | x=-2(x-5)-124+6(x+3) | | x×x+5=26 | | -1.12=4+y/4 | | 61+(3x+14)=90 | | 7x-5=x+19 | | -5x-7=x+23 | | 5+3(2x-7=5+6x-21 | | 15.51=232.65/29k | | 18x=1300-20x | | x=4-(x+2)-3(x+4) | | 17=3+y/2 | | 2/5-3/5=x | | 121=270-y | | 105=-y+169 | | (30/x)x-1=29 | | X=2.4x^2/484 | | -x+13=162 | | x²-x-0.75=0 | | -10(x+5)+7=-14-14= | | 360=(2x+4)+(2x+6)+140 | | 360=(2x+4)(2x+6)+140 |