6(3z+7)=15-9z

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Solution for 6(3z+7)=15-9z equation:


Simplifying
6(3z + 7) = 15 + -9z

Reorder the terms:
6(7 + 3z) = 15 + -9z
(7 * 6 + 3z * 6) = 15 + -9z
(42 + 18z) = 15 + -9z

Solving
42 + 18z = 15 + -9z

Solving for variable 'z'.

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

Add '9z' to each side of the equation.
42 + 18z + 9z = 15 + -9z + 9z

Combine like terms: 18z + 9z = 27z
42 + 27z = 15 + -9z + 9z

Combine like terms: -9z + 9z = 0
42 + 27z = 15 + 0
42 + 27z = 15

Add '-42' to each side of the equation.
42 + -42 + 27z = 15 + -42

Combine like terms: 42 + -42 = 0
0 + 27z = 15 + -42
27z = 15 + -42

Combine like terms: 15 + -42 = -27
27z = -27

Divide each side by '27'.
z = -1

Simplifying
z = -1

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