-3(2z-7)=3z+21-3z

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Solution for -3(2z-7)=3z+21-3z equation:


Simplifying
-3(2z + -7) = 3z + 21 + -3z

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

Reorder the terms:
21 + -6z = 21 + 3z + -3z

Combine like terms: 3z + -3z = 0
21 + -6z = 21 + 0
21 + -6z = 21

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

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

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

Solving
-6z = 0

Solving for variable 'z'.

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

Divide each side by '-6'.
z = 0

Simplifying
z = 0

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