-[7z-(11z+3)]=3(3z+10)

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Solution for -[7z-(11z+3)]=3(3z+10) equation:


Simplifying
-1[7z + -1(11z + 3)] = 3(3z + 10)

Reorder the terms:
-1[7z + -1(3 + 11z)] = 3(3z + 10)
-1[7z + (3 * -1 + 11z * -1)] = 3(3z + 10)
-1[7z + (-3 + -11z)] = 3(3z + 10)

Reorder the terms:
-1[-3 + 7z + -11z] = 3(3z + 10)

Combine like terms: 7z + -11z = -4z
-1[-3 + -4z] = 3(3z + 10)
[-3 * -1 + -4z * -1] = 3(3z + 10)
[3 + 4z] = 3(3z + 10)

Reorder the terms:
3 + 4z = 3(10 + 3z)
3 + 4z = (10 * 3 + 3z * 3)
3 + 4z = (30 + 9z)

Solving
3 + 4z = 30 + 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.
3 + 4z + -9z = 30 + 9z + -9z

Combine like terms: 4z + -9z = -5z
3 + -5z = 30 + 9z + -9z

Combine like terms: 9z + -9z = 0
3 + -5z = 30 + 0
3 + -5z = 30

Add '-3' to each side of the equation.
3 + -3 + -5z = 30 + -3

Combine like terms: 3 + -3 = 0
0 + -5z = 30 + -3
-5z = 30 + -3

Combine like terms: 30 + -3 = 27
-5z = 27

Divide each side by '-5'.
z = -5.4

Simplifying
z = -5.4

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