16x+9=129-8x

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Solution for 16x+9=129-8x equation:


Simplifying
16x + 9 = 129 + -8x

Reorder the terms:
9 + 16x = 129 + -8x

Solving
9 + 16x = 129 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
9 + 16x + 8x = 129 + -8x + 8x

Combine like terms: 16x + 8x = 24x
9 + 24x = 129 + -8x + 8x

Combine like terms: -8x + 8x = 0
9 + 24x = 129 + 0
9 + 24x = 129

Add '-9' to each side of the equation.
9 + -9 + 24x = 129 + -9

Combine like terms: 9 + -9 = 0
0 + 24x = 129 + -9
24x = 129 + -9

Combine like terms: 129 + -9 = 120
24x = 120

Divide each side by '24'.
x = 5

Simplifying
x = 5

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