21=3(z+14)

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Solution for 21=3(z+14) equation:


Simplifying
21 = 3(z + 14)

Reorder the terms:
21 = 3(14 + z)
21 = (14 * 3 + z * 3)
21 = (42 + 3z)

Solving
21 = 42 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
21 + -3z = 42 + 3z + -3z

Combine like terms: 3z + -3z = 0
21 + -3z = 42 + 0
21 + -3z = 42

Add '-21' to each side of the equation.
21 + -21 + -3z = 42 + -21

Combine like terms: 21 + -21 = 0
0 + -3z = 42 + -21
-3z = 42 + -21

Combine like terms: 42 + -21 = 21
-3z = 21

Divide each side by '-3'.
z = -7

Simplifying
z = -7

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