3(x-6)+13=31

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Solution for 3(x-6)+13=31 equation:


Simplifying
3(x + -6) + 13 = 31

Reorder the terms:
3(-6 + x) + 13 = 31
(-6 * 3 + x * 3) + 13 = 31
(-18 + 3x) + 13 = 31

Reorder the terms:
-18 + 13 + 3x = 31

Combine like terms: -18 + 13 = -5
-5 + 3x = 31

Solving
-5 + 3x = 31

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 3x = 31 + 5

Combine like terms: -5 + 5 = 0
0 + 3x = 31 + 5
3x = 31 + 5

Combine like terms: 31 + 5 = 36
3x = 36

Divide each side by '3'.
x = 12

Simplifying
x = 12

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