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

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


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

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

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

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

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

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

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

Solving
-6x = -6z

Solving for variable 'x'.

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

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

Simplifying
x = z

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