4(z-12)=42

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Solution for 4(z-12)=42 equation:


Simplifying
4(z + -12) = 42

Reorder the terms:
4(-12 + z) = 42
(-12 * 4 + z * 4) = 42
(-48 + 4z) = 42

Solving
-48 + 4z = 42

Solving for variable 'z'.

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

Add '48' to each side of the equation.
-48 + 48 + 4z = 42 + 48

Combine like terms: -48 + 48 = 0
0 + 4z = 42 + 48
4z = 42 + 48

Combine like terms: 42 + 48 = 90
4z = 90

Divide each side by '4'.
z = 22.5

Simplifying
z = 22.5

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