12x-13=21z-4

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Solution for 12x-13=21z-4 equation:


Simplifying
12x + -13 = 21z + -4

Reorder the terms:
-13 + 12x = 21z + -4

Reorder the terms:
-13 + 12x = -4 + 21z

Solving
-13 + 12x = -4 + 21z

Solving for variable 'x'.

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

Add '13' to each side of the equation.
-13 + 13 + 12x = -4 + 13 + 21z

Combine like terms: -13 + 13 = 0
0 + 12x = -4 + 13 + 21z
12x = -4 + 13 + 21z

Combine like terms: -4 + 13 = 9
12x = 9 + 21z

Divide each side by '12'.
x = 0.75 + 1.75z

Simplifying
x = 0.75 + 1.75z

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