(12-x)*3+13+16=50

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Solution for (12-x)*3+13+16=50 equation:


Simplifying
(12 + -1x) * 3 + 13 + 16 = 50

Reorder the terms for easier multiplication:
3(12 + -1x) + 13 + 16 = 50
(12 * 3 + -1x * 3) + 13 + 16 = 50
(36 + -3x) + 13 + 16 = 50

Reorder the terms:
36 + 13 + 16 + -3x = 50

Combine like terms: 36 + 13 = 49
49 + 16 + -3x = 50

Combine like terms: 49 + 16 = 65
65 + -3x = 50

Solving
65 + -3x = 50

Solving for variable 'x'.

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

Add '-65' to each side of the equation.
65 + -65 + -3x = 50 + -65

Combine like terms: 65 + -65 = 0
0 + -3x = 50 + -65
-3x = 50 + -65

Combine like terms: 50 + -65 = -15
-3x = -15

Divide each side by '-3'.
x = 5

Simplifying
x = 5

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