100[0.09(x+4)]=x

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Solution for 100[0.09(x+4)]=x equation:


Simplifying
100[0.09(x + 4)] = x

Reorder the terms:
100[0.09(4 + x)] = x
100[(4 * 0.09 + x * 0.09)] = x
100[(0.36 + 0.09x)] = x
[0.36 * 100 + 0.09x * 100] = x
[36 + 9x] = x

Solving
36 + 9x = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
36 + 9x + -1x = x + -1x

Combine like terms: 9x + -1x = 8x
36 + 8x = x + -1x

Combine like terms: x + -1x = 0
36 + 8x = 0

Add '-36' to each side of the equation.
36 + -36 + 8x = 0 + -36

Combine like terms: 36 + -36 = 0
0 + 8x = 0 + -36
8x = 0 + -36

Combine like terms: 0 + -36 = -36
8x = -36

Divide each side by '8'.
x = -4.5

Simplifying
x = -4.5

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