-[6z-(9z+10)]=10(2z+4)

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Solution for -[6z-(9z+10)]=10(2z+4) equation:


Simplifying
-1[6z + -1(9z + 10)] = 10(2z + 4)

Reorder the terms:
-1[6z + -1(10 + 9z)] = 10(2z + 4)
-1[6z + (10 * -1 + 9z * -1)] = 10(2z + 4)
-1[6z + (-10 + -9z)] = 10(2z + 4)

Reorder the terms:
-1[-10 + 6z + -9z] = 10(2z + 4)

Combine like terms: 6z + -9z = -3z
-1[-10 + -3z] = 10(2z + 4)
[-10 * -1 + -3z * -1] = 10(2z + 4)
[10 + 3z] = 10(2z + 4)

Reorder the terms:
10 + 3z = 10(4 + 2z)
10 + 3z = (4 * 10 + 2z * 10)
10 + 3z = (40 + 20z)

Solving
10 + 3z = 40 + 20z

Solving for variable 'z'.

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

Add '-20z' to each side of the equation.
10 + 3z + -20z = 40 + 20z + -20z

Combine like terms: 3z + -20z = -17z
10 + -17z = 40 + 20z + -20z

Combine like terms: 20z + -20z = 0
10 + -17z = 40 + 0
10 + -17z = 40

Add '-10' to each side of the equation.
10 + -10 + -17z = 40 + -10

Combine like terms: 10 + -10 = 0
0 + -17z = 40 + -10
-17z = 40 + -10

Combine like terms: 40 + -10 = 30
-17z = 30

Divide each side by '-17'.
z = -1.764705882

Simplifying
z = -1.764705882

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