122+4=2(5z+8)-12

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Solution for 122+4=2(5z+8)-12 equation:


Simplifying
122 + 4 = 2(5z + 8) + -12

Combine like terms: 122 + 4 = 126
126 = 2(5z + 8) + -12

Reorder the terms:
126 = 2(8 + 5z) + -12
126 = (8 * 2 + 5z * 2) + -12
126 = (16 + 10z) + -12

Reorder the terms:
126 = 16 + -12 + 10z

Combine like terms: 16 + -12 = 4
126 = 4 + 10z

Solving
126 = 4 + 10z

Solving for variable 'z'.

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

Add '-10z' to each side of the equation.
126 + -10z = 4 + 10z + -10z

Combine like terms: 10z + -10z = 0
126 + -10z = 4 + 0
126 + -10z = 4

Add '-126' to each side of the equation.
126 + -126 + -10z = 4 + -126

Combine like terms: 126 + -126 = 0
0 + -10z = 4 + -126
-10z = 4 + -126

Combine like terms: 4 + -126 = -122
-10z = -122

Divide each side by '-10'.
z = 12.2

Simplifying
z = 12.2

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