-[3z-(12z+7)]=7+(8z+9)

Simple and best practice solution for -[3z-(12z+7)]=7+(8z+9) equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for -[3z-(12z+7)]=7+(8z+9) equation:


Simplifying
-1[3z + -1(12z + 7)] = 7 + (8z + 9)

Reorder the terms:
-1[3z + -1(7 + 12z)] = 7 + (8z + 9)
-1[3z + (7 * -1 + 12z * -1)] = 7 + (8z + 9)
-1[3z + (-7 + -12z)] = 7 + (8z + 9)

Reorder the terms:
-1[-7 + 3z + -12z] = 7 + (8z + 9)

Combine like terms: 3z + -12z = -9z
-1[-7 + -9z] = 7 + (8z + 9)
[-7 * -1 + -9z * -1] = 7 + (8z + 9)
[7 + 9z] = 7 + (8z + 9)

Reorder the terms:
7 + 9z = 7 + (9 + 8z)

Remove parenthesis around (9 + 8z)
7 + 9z = 7 + 9 + 8z

Combine like terms: 7 + 9 = 16
7 + 9z = 16 + 8z

Solving
7 + 9z = 16 + 8z

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Add '-8z' to each side of the equation.
7 + 9z + -8z = 16 + 8z + -8z

Combine like terms: 9z + -8z = 1z
7 + 1z = 16 + 8z + -8z

Combine like terms: 8z + -8z = 0
7 + 1z = 16 + 0
7 + 1z = 16

Add '-7' to each side of the equation.
7 + -7 + 1z = 16 + -7

Combine like terms: 7 + -7 = 0
0 + 1z = 16 + -7
1z = 16 + -7

Combine like terms: 16 + -7 = 9
1z = 9

Divide each side by '1'.
z = 9

Simplifying
z = 9

See similar equations:

| 7r-7r+2r=12 | | -2(2v-2)=9-5v | | N=110-13 | | 84=-16t^2+72t+3 | | 3w-w-w+3w-3w=14 | | 16-16x=-24(x+7) | | 2r+(-7)=(-1) | | n+3-2=10 | | 985v+57=74 | | 5/9x3/5 | | 4-5-11+D= | | 5(6+2x)=-90 | | 7(z)+5=-12 | | 5/8+3/10= | | 3w-w-w+3w=14 | | 12x^2-26x=-10 | | 27+15x^8=84 | | 7(z)+5=12 | | 17y-4y-12y=15 | | -5cos^2(x)+4cos(x)+1=0 | | 7d-3=4d+15 | | r-r+5r-4r=7 | | y=0.75x-3 | | 3w-w=20 | | -10m-14=80 | | 2(3p+6p)-3r= | | 5d-4d=11 | | 286/x=184/35 | | 5p+3p=8 | | 5500-45x=5100-25x | | -5p-5(-6-2p)=0 | | -4=m+2 |

Equations solver categories