If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-10x-90=-x
We move all terms to the left:
-10x-90-(-x)=0
We add all the numbers together, and all the variables
-10x-(-1x)-90=0
We get rid of parentheses
-10x+1x-90=0
We add all the numbers together, and all the variables
-9x-90=0
We move all terms containing x to the left, all other terms to the right
-9x=90
x=90/-9
x=-10
| 5/6k=-220 | | 8-5x=16+x² | | 1/5s=8 | | 0.3(0.2x+1)=0.4(0.5x+1) | | 3x+81=-6x | | 3(2+2.5d)=31.5 | | 5+3(-3+2)=x-9 | | 5/2y-7/3=-5/3y-6 | | 4(0.6n-0.2)=0.04n-0.4) | | -151-4x-6x=48 | | 8x-20+3x+5=180 | | 0.99+35x=1.69x | | 4-z/3=8 | | 11x-15=180 | | 2+1(2.50d)=31.5 | | 35+3x/5=-7 | | 3(2x+4)-6x=x | | 3(x-5)=5(x-7) | | 2+2.50d=31.50 | | 2.3m=7.2/3 | | -10=1-x-90 | | 2.3m=72/3 | | 4(3x+2)=76 | | 2(5x-4)=4x+3 | | 2(5x-4)=3x+6 | | 72/5x=-93/4 | | ∠A=7x+40∠B=3x+112∘ | | 10x+13=42 | | 2(5x-4)=6x+4 | | 40.7/n=0.407 | | -8q−4=-7q−10 | | 3w-1=1/4(12w)-+1 |