If it's not what You are looking for type in the equation solver your own equation and let us solve it.
w in (-oo:+oo)
13 = w/3+7 // - w/3+7
13-(w/3)-7 = 0
6-1/3*w = 0 // - 6
-1/3*w = -6 // : -1/3
w = -6/(-1/3)
w = 18
w = 18
| -2(x+3)=9+3x | | 3-(k+1)=-2 | | 8+3x-2=9x+13-5x | | -3/8k=-12 | | b^4-49=0 | | 12.5/4 | | 9=1+7 | | -3(2k-6)-4(4k-5)-11k= | | 2=((4x-9)/7)+((x+2)/6) | | 5h-12=-15 | | 5[2p-4(p+5)]=35 | | 2/5=7b | | 161=7(6n-1) | | -3(3x+2)= | | 4x-(3x-5)=11 | | 7=0+7 | | 2=(4x-9)/7+(x+2)/6 | | (4a^2b)^4(-a^3/2b)^2 | | 5=-5+2v | | 2(5z+6)-3(z+7)= | | a=2pie+2pie | | 0=7+7 | | 5u+3=-12 | | -(5n-1)=-5n-(n-4) | | 4h-27/d | | (6-6i)+(5+8i)= | | (n/4)+2=4 | | -3(n+4)-7(4n-2)=-29 | | 9(4y)= | | -6(-4x+6)=-180 | | 7x-19=-7+x | | (6-6i)+(5+8i)=0 |