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)
(-1/4)*x-2*x-6-3+90 = 180 // - 180
(-1/4)*x-2*x-180-6-3+90 = 0
-9/4*x-99 = 0 // + 99
-9/4*x = 99 // : -9/4
x = 99/(-9/4)
x = -44
x = -44
| 3a^2-2a=9 | | -2x-6+(-3-1/4x)+90=180 | | 9/2*16/9 | | 9/2/9/16 | | y+3x=15 | | (5-x)(2x-7)=0 | | -6-2x+(1/4x-3)+90=180 | | 8x^2+5x=-11 | | 41/2/3/4*3/4 | | (x-12)(x+3)=0 | | -210-150/30x=-1470 | | 8x=5x-3/8 | | -210-150/30x=0 | | 2p^2+10=-12p | | 10/9z^-6 | | -6-2x+(-3-1/4x)+90=180 | | 120-30/2x=0 | | 120-30/2x=9 | | 3/8x+4/9=5/6 | | X^2-12x+24=-8 | | F(3)=5x+1 | | 8/-37 | | 6m/(22(m+n)) | | 7-8+2(x+12)=52 | | -16n+12=-15n-13 | | -3x+2x+5=-2x+10-4x | | 4x^2-7X-56=0 | | 3cotx-1=0 | | 19*0+6Y=-39 | | -1.32x^3-3.65x^2=-0.43x | | 2v-12=6 | | 7(x+4)-2=x+8 |