(3x-7)-5=12

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Solution for (3x-7)-5=12 equation:


Simplifying
(3x + -7) + -5 = 12

Reorder the terms:
(-7 + 3x) + -5 = 12

Remove parenthesis around (-7 + 3x)
-7 + 3x + -5 = 12

Reorder the terms:
-7 + -5 + 3x = 12

Combine like terms: -7 + -5 = -12
-12 + 3x = 12

Solving
-12 + 3x = 12

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 3x = 12 + 12

Combine like terms: -12 + 12 = 0
0 + 3x = 12 + 12
3x = 12 + 12

Combine like terms: 12 + 12 = 24
3x = 24

Divide each side by '3'.
x = 8

Simplifying
x = 8

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