If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3+4z=15
We move all terms to the left:
3+4z-(15)=0
We add all the numbers together, and all the variables
4z-12=0
We move all terms containing z to the left, all other terms to the right
4z=12
z=12/4
z=3
| 1x+24=1+2 | | 9d=8d+5 | | -56=3-8n | | 3.25x+.75=-2 | | -1/2(8x-10)+3x=4 | | –8v−5=–7v | | 0.5(8b-12)+9=1.3(9-15b)-3b | | -6x+9-18=13x-5x | | 2z+8=+5-5z | | 3/4x+1/4=40 | | -2x+55=100-11x | | 0.5(8b-12)+9=1.4(9-15b)-3b | | 4x+1=62.5 | | 4x-2+x+1=3x+5 | | 6a–5=3(13+6a) | | 2*(4x-1)=2x+7 | | (2x-1)=(4x+2) | | −5+n3= | | 3(x–7)=27 | | 23=7-2(x+5) | | x+3+3x=5x+2 | | 20+8(x−11)=−12 | | j−10=6j | | -4y-20=-12 | | 3=-5x+(-7) | | 0.5(8b-12)+9=4/3(9-15b)-3b | | 8x+7.5=35 | | x+5=x+6.50 | | 63.14h=543.14 | | 12(-5x+1)+12=-10 | | x-1+3x-5=2 | | -4+7=(1m-3m) |