-3(-3z+7)=

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


Simplifying
-3(-3z + 7) = 0

Reorder the terms:
-3(7 + -3z) = 0
(7 * -3 + -3z * -3) = 0
(-21 + 9z) = 0

Solving
-21 + 9z = 0

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 = 0 + 21

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

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

Divide each side by '9'.
z = 2.333333333

Simplifying
z = 2.333333333

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