2(z-38)=78

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Solution for 2(z-38)=78 equation: 


Simplifying
2(z + -38) = 78

Reorder the terms:
2(-38 + z) = 78
(-38 * 2 + z * 2) = 78
(-76 + 2z) = 78

Solving
-76 + 2z = 78

Solving for variable 'z'.

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

Add '76' to each side of the equation.
-76 + 76 + 2z = 78 + 76

Combine like terms: -76 + 76 = 0
0 + 2z = 78 + 76
2z = 78 + 76

Combine like terms: 78 + 76 = 154
2z = 154

Divide each side by '2'.
z = 77

Simplifying
z = 77

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