If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
x/90+7/9 = 0
1/90*x+7/9 = 0 // - 7/9
1/90*x = -7/9 // : 1/90
x = -7/9/1/90
x = -70
x = -70
| 3x^2+25-81=0 | | 3.9u-1.4=3.4u-4.4 | | 2x^2-53x+98=0 | | 0.2x-0.7x-44=1 | | 33-3x=7 | | 6x-1-x-7= | | 10x+38=108 | | 8x-4(-5v-2)=12x | | 3-I/4-2i | | -4x+12=2(-2x+6) | | 31=6x-11 | | 8=c/3+15 | | x/4+3/4=x-12 | | -15/4x+1=x-4 | | 3(k+1)+11k=2(4+5k)+3 | | x^3-50x+625=0 | | X-(-3x)=x+7 | | 2x/5+1/3=3+2/15 | | -4+15=15X-2-14x | | 5-(2)(7-5)= | | 582=2w+2(4w-4) | | 3(-12+4y)+2y=6 | | -3a=17 | | -5(x+6)=5x+9 | | (-3x^2y)(-9x^11y^9)= | | -8p=-13/4 | | 5(2f+3)=2(5f-1) | | 9z-6=36 | | 15.55m=70 | | -7=d/5+1 | | 7y+5+4y-2= | | 2a^2+13a-7=0 |