8-(2z+4)=-(-8z+7)-7

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Solution for 8-(2z+4)=-(-8z+7)-7 equation:


Simplifying
8 + -1(2z + 4) = -1(-8z + 7) + -7

Reorder the terms:
8 + -1(4 + 2z) = -1(-8z + 7) + -7
8 + (4 * -1 + 2z * -1) = -1(-8z + 7) + -7
8 + (-4 + -2z) = -1(-8z + 7) + -7

Combine like terms: 8 + -4 = 4
4 + -2z = -1(-8z + 7) + -7

Reorder the terms:
4 + -2z = -1(7 + -8z) + -7
4 + -2z = (7 * -1 + -8z * -1) + -7
4 + -2z = (-7 + 8z) + -7

Reorder the terms:
4 + -2z = -7 + -7 + 8z

Combine like terms: -7 + -7 = -14
4 + -2z = -14 + 8z

Solving
4 + -2z = -14 + 8z

Solving for variable 'z'.

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

Add '-8z' to each side of the equation.
4 + -2z + -8z = -14 + 8z + -8z

Combine like terms: -2z + -8z = -10z
4 + -10z = -14 + 8z + -8z

Combine like terms: 8z + -8z = 0
4 + -10z = -14 + 0
4 + -10z = -14

Add '-4' to each side of the equation.
4 + -4 + -10z = -14 + -4

Combine like terms: 4 + -4 = 0
0 + -10z = -14 + -4
-10z = -14 + -4

Combine like terms: -14 + -4 = -18
-10z = -18

Divide each side by '-10'.
z = 1.8

Simplifying
z = 1.8

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