2z+7(z-3)=6

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Solution for 2z+7(z-3)=6 equation:


Simplifying
2z + 7(z + -3) = 6

Reorder the terms:
2z + 7(-3 + z) = 6
2z + (-3 * 7 + z * 7) = 6
2z + (-21 + 7z) = 6

Reorder the terms:
-21 + 2z + 7z = 6

Combine like terms: 2z + 7z = 9z
-21 + 9z = 6

Solving
-21 + 9z = 6

Solving for variable 'z'.

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

Add '21' to each side of the equation.
-21 + 21 + 9z = 6 + 21

Combine like terms: -21 + 21 = 0
0 + 9z = 6 + 21
9z = 6 + 21

Combine like terms: 6 + 21 = 27
9z = 27

Divide each side by '9'.
z = 3

Simplifying
z = 3

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