100(.1x+.1)+9x+9=

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Solution for 100(.1x+.1)+9x+9= equation:


Simplifying
100(0.1x + 0.1) + 9x + 9 = 0

Reorder the terms:
100(0.1 + 0.1x) + 9x + 9 = 0
(0.1 * 100 + 0.1x * 100) + 9x + 9 = 0
(10 + 10x) + 9x + 9 = 0

Reorder the terms:
10 + 9 + 10x + 9x = 0

Combine like terms: 10 + 9 = 19
19 + 10x + 9x = 0

Combine like terms: 10x + 9x = 19x
19 + 19x = 0

Solving
19 + 19x = 0

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + 19x = 0 + -19

Combine like terms: 19 + -19 = 0
0 + 19x = 0 + -19
19x = 0 + -19

Combine like terms: 0 + -19 = -19
19x = -19

Divide each side by '19'.
x = -1

Simplifying
x = -1

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