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)
90-((3/2)*n) = 30 // - 30
90-((3/2)*n)-30 = 0
(-3/2)*n-30+90 = 0
60-3/2*n = 0 // - 60
-3/2*n = -60 // : -3/2
n = -60/(-3/2)
n = 40
n = 40
| 7p-9+12p+12= | | y/3-1=y/6 | | 32(9-3.5x)=11(3x-11)+61.0 | | -2(5y+2)= | | p^5=7p^4 | | 3(1/2) | | 3-2x+6x=35 | | 2(y+11.2)=10y-12.0 | | 3x/6=-21 | | 17/11q=3 | | 4x+8+x=-10 | | -(-7)+-4=3 | | n/2+0.1=0 | | 5c-8c-18=5+10-5c | | c=3/4y+b | | -4x+4+2x=-16 | | 72a^2-24ab-16b^2= | | 9=n+9/2 | | 215-3x=42x+20 | | 9(q+4)= | | 3(x)-3=y/2 | | 3(x)-3=y/2 | | 2y+8+6y-15=5 | | 3(x)-3=x/2 | | 9/2=6-n | | 117-3x=42x+22 | | 6-4x=12-2x | | m+2m+2=14 | | 4(x+2)=6x-5 | | 6(0)-10=-4 | | -4+-7+5=-6 | | -5(15y)= |