7(3-2z)+9z=6

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Solution for 7(3-2z)+9z=6 equation:


Simplifying
7(3 + -2z) + 9z = 6
(3 * 7 + -2z * 7) + 9z = 6
(21 + -14z) + 9z = 6

Combine like terms: -14z + 9z = -5z
21 + -5z = 6

Solving
21 + -5z = 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 + -5z = 6 + -21

Combine like terms: 21 + -21 = 0
0 + -5z = 6 + -21
-5z = 6 + -21

Combine like terms: 6 + -21 = -15
-5z = -15

Divide each side by '-5'.
z = 3

Simplifying
z = 3

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