If it's not what You are looking for type in the equation solver your own equation and let us solve it.
n in (-oo:+oo)
(3/4)*n-4 = 30 // - 30
(3/4)*n-30-4 = 0
3/4*n-34 = 0 // + 34
3/4*n = 34 // : 3/4
n = 34/3/4
n = 136/3
n = 136/3
| r+3=-3 | | 8(-3+2v)=-33+7v | | -17-(6x+3)=-16 | | -7/9z=3/5 | | 14.4/8 | | 3x+10x=-2 | | m-1.5=-3 | | 11-22z=0 | | 5u+b=2u+3 | | -7(5v-8)=-4-5v | | 5y-6=-22-3y | | 5u-b=2u | | -x^2+5=x | | 40x+15=30x+17 | | 15(x-9)=-7-8 | | -3c+8=98+7c | | -9x=40-112 | | 6a^2+7a+10=0 | | 12b-1=4b-25 | | 3x+2=4x+2(3x+1) | | -4.5/12 | | 9x=-40-112 | | 1+x=-1-x | | 9x=40-112 | | 2.3s=-8 | | 9x=40+112 | | 60+x+5x=180 | | 2xy*11=0 | | 6=x+2+x | | 6m+3-2m=-13 | | a/0.2-10=20 | | 0.15x=.3 |