2x-3*39=21

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Solution for 2x-3*39=21 equation:


Simplifying
2x + -3 * 39 = 21

Multiply -3 * 39
2x + -117 = 21

Reorder the terms:
-117 + 2x = 21

Solving
-117 + 2x = 21

Solving for variable 'x'.

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

Add '117' to each side of the equation.
-117 + 117 + 2x = 21 + 117

Combine like terms: -117 + 117 = 0
0 + 2x = 21 + 117
2x = 21 + 117

Combine like terms: 21 + 117 = 138
2x = 138

Divide each side by '2'.
x = 69

Simplifying
x = 69

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