5+(-7z+8)=-3(3z+5)-5

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Solution for 5+(-7z+8)=-3(3z+5)-5 equation:


Simplifying
5 + (-7z + 8) = -3(3z + 5) + -5

Reorder the terms:
5 + (8 + -7z) = -3(3z + 5) + -5

Remove parenthesis around (8 + -7z)
5 + 8 + -7z = -3(3z + 5) + -5

Combine like terms: 5 + 8 = 13
13 + -7z = -3(3z + 5) + -5

Reorder the terms:
13 + -7z = -3(5 + 3z) + -5
13 + -7z = (5 * -3 + 3z * -3) + -5
13 + -7z = (-15 + -9z) + -5

Reorder the terms:
13 + -7z = -15 + -5 + -9z

Combine like terms: -15 + -5 = -20
13 + -7z = -20 + -9z

Solving
13 + -7z = -20 + -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.
13 + -7z + 9z = -20 + -9z + 9z

Combine like terms: -7z + 9z = 2z
13 + 2z = -20 + -9z + 9z

Combine like terms: -9z + 9z = 0
13 + 2z = -20 + 0
13 + 2z = -20

Add '-13' to each side of the equation.
13 + -13 + 2z = -20 + -13

Combine like terms: 13 + -13 = 0
0 + 2z = -20 + -13
2z = -20 + -13

Combine like terms: -20 + -13 = -33
2z = -33

Divide each side by '2'.
z = -16.5

Simplifying
z = -16.5

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