If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-13z+12=-14z
We move all terms to the left:
-13z+12-(-14z)=0
We get rid of parentheses
-13z+14z+12=0
We add all the numbers together, and all the variables
z+12=0
We move all terms containing z to the left, all other terms to the right
z=-12
| x‐7/4=‐2 | | 3(x+5)=18=x= | | X-10x-30=120 | | –8d–18=–3(d+6)–5d | | 6(5x+6)=12(2x+7) | | 3x+1=4x-2.5 | | x={2.605551275,-4.605551275}+35 | | -5+-2x=-15 | | -4+4x=8+8x | | 3x=5(x+2)=x= | | -13.6r-17.25=-10r+19.23+17.88 | | 3x=8.16 | | 5=1/4c | | pX3=54 | | (x+8)+(x+3)+(x+8)=30 | | 2(x-8)=4=x= | | -4d-20=10+2d | | 1/4x=1/8+2x | | 10-4t=-2t-6 | | -13m+1-20=17-11m | | 6x+4=7x-37 | | h=25(3)-5(3)^2 | | -9v=2-8v | | 10.9g+14.64=-12.5g-18.12 | | -4+8k=9k | | 10.9g+14.64=12.5g-18.12 | | 90=9x+10 | | -11k-16=-13k | | z+56=30 | | 103-x=6x-7+2x | | 7d+-63=14 | | y+1-4=18 |