3x-78+12=102

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Solution for 3x-78+12=102 equation:


Simplifying
3x + -78 + 12 = 102

Reorder the terms:
-78 + 12 + 3x = 102

Combine like terms: -78 + 12 = -66
-66 + 3x = 102

Solving
-66 + 3x = 102

Solving for variable 'x'.

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

Add '66' to each side of the equation.
-66 + 66 + 3x = 102 + 66

Combine like terms: -66 + 66 = 0
0 + 3x = 102 + 66
3x = 102 + 66

Combine like terms: 102 + 66 = 168
3x = 168

Divide each side by '3'.
x = 56

Simplifying
x = 56

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