6(z+7)=15+3z

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


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

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

Solving
42 + 6z = 15 + 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.
42 + 6z + -3z = 15 + 3z + -3z

Combine like terms: 6z + -3z = 3z
42 + 3z = 15 + 3z + -3z

Combine like terms: 3z + -3z = 0
42 + 3z = 15 + 0
42 + 3z = 15

Add '-42' to each side of the equation.
42 + -42 + 3z = 15 + -42

Combine like terms: 42 + -42 = 0
0 + 3z = 15 + -42
3z = 15 + -42

Combine like terms: 15 + -42 = -27
3z = -27

Divide each side by '3'.
z = -9

Simplifying
z = -9

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