12-9x=31-16x

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Solution for 12-9x=31-16x equation:


Simplifying
12 + -9x = 31 + -16x

Solving
12 + -9x = 31 + -16x

Solving for variable 'x'.

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

Add '16x' to each side of the equation.
12 + -9x + 16x = 31 + -16x + 16x

Combine like terms: -9x + 16x = 7x
12 + 7x = 31 + -16x + 16x

Combine like terms: -16x + 16x = 0
12 + 7x = 31 + 0
12 + 7x = 31

Add '-12' to each side of the equation.
12 + -12 + 7x = 31 + -12

Combine like terms: 12 + -12 = 0
0 + 7x = 31 + -12
7x = 31 + -12

Combine like terms: 31 + -12 = 19
7x = 19

Divide each side by '7'.
x = 2.714285714

Simplifying
x = 2.714285714

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