8z-(-z)-13z+6z+-13=-1

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Solution for 8z-(-z)-13z+6z+-13=-1 equation:


Simplifying
8z + -1(-1z) + -13z + 6z + -13 = -1

Remove parenthesis around (-1z)
8z + -1 * -1z + -13z + 6z + -13 = -1

Multiply -1 * -1
8z + 1z + -13z + 6z + -13 = -1

Reorder the terms:
-13 + 8z + 1z + -13z + 6z = -1

Combine like terms: 8z + 1z = 9z
-13 + 9z + -13z + 6z = -1

Combine like terms: 9z + -13z = -4z
-13 + -4z + 6z = -1

Combine like terms: -4z + 6z = 2z
-13 + 2z = -1

Solving
-13 + 2z = -1

Solving for variable 'z'.

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

Add '13' to each side of the equation.
-13 + 13 + 2z = -1 + 13

Combine like terms: -13 + 13 = 0
0 + 2z = -1 + 13
2z = -1 + 13

Combine like terms: -1 + 13 = 12
2z = 12

Divide each side by '2'.
z = 6

Simplifying
z = 6

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