3(z-4)-(-7z-7)=9z

Simple and best practice solution for 3(z-4)-(-7z-7)=9z 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 3(z-4)-(-7z-7)=9z equation:


Simplifying
3(z + -4) + -1(-7z + -7) = 9z

Reorder the terms:
3(-4 + z) + -1(-7z + -7) = 9z
(-4 * 3 + z * 3) + -1(-7z + -7) = 9z
(-12 + 3z) + -1(-7z + -7) = 9z

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

Reorder the terms:
-12 + 7 + 3z + 7z = 9z

Combine like terms: -12 + 7 = -5
-5 + 3z + 7z = 9z

Combine like terms: 3z + 7z = 10z
-5 + 10z = 9z

Solving
-5 + 10z = 9z

Solving for variable 'z'.

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

Add '-9z' to each side of the equation.
-5 + 10z + -9z = 9z + -9z

Combine like terms: 10z + -9z = 1z
-5 + 1z = 9z + -9z

Combine like terms: 9z + -9z = 0
-5 + 1z = 0

Add '5' to each side of the equation.
-5 + 5 + 1z = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 1z = 0 + 5
1z = 0 + 5

Combine like terms: 0 + 5 = 5
1z = 5

Divide each side by '1'.
z = 5

Simplifying
z = 5

See similar equations:

| 7/4+6y=11y-1/4 | | x=(3x+20)+(5x-8) | | 8(3t-2)=4(t-1) | | 4X-40=24X+20 | | 8z^2-6z-5=0 | | a^2-b^2=c^2 | | X/4+18=11 | | 18=11+t | | 2x(3x+4-17)= | | (5x-4y)(5x+4y)= | | 57-3x=30 | | 4X+25=-3(-8X+5) | | 336/12 | | 8t+4(t-2)=-2-6(2t+9) | | 3x-24-2x=16 | | X/2+13=15 | | 6(n-8)=5n | | 4X+25=-3(8X+5) | | 49a^2-64b^4= | | 1/3x+9=-2/3x-4 | | 6(5a+4)=-11-5a | | 3/8t+3/4u | | 6x-1=5x+2 | | 24=t+6 | | 49x^2-84xy+36y^2= | | 8/11k=29/14 | | F+7=20 | | 0.2x-0.1=0.5x+0.2 | | 5r+2=32 | | X/2-3=6 | | 3x^2+25x-6.7=0 | | 12-5y=2 |

Equations solver categories