.15=x+(.12-x)*1.8

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Solution for .15=x+(.12-x)*1.8 equation:


Simplifying
0.15 = x + (0.12 + -1x) * 1.8

Reorder the terms for easier multiplication:
0.15 = x + 1.8(0.12 + -1x)
0.15 = x + (0.12 * 1.8 + -1x * 1.8)
0.15 = x + (0.216 + -1.8x)

Reorder the terms:
0.15 = 0.216 + x + -1.8x

Combine like terms: x + -1.8x = -0.8x
0.15 = 0.216 + -0.8x

Solving
0.15 = 0.216 + -0.8x

Solving for variable 'x'.

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

Add '0.8x' to each side of the equation.
0.15 + 0.8x = 0.216 + -0.8x + 0.8x

Combine like terms: -0.8x + 0.8x = 0.0
0.15 + 0.8x = 0.216 + 0.0
0.15 + 0.8x = 0.216

Add '-0.15' to each side of the equation.
0.15 + -0.15 + 0.8x = 0.216 + -0.15

Combine like terms: 0.15 + -0.15 = 0.00
0.00 + 0.8x = 0.216 + -0.15
0.8x = 0.216 + -0.15

Combine like terms: 0.216 + -0.15 = 0.066
0.8x = 0.066

Divide each side by '0.8'.
x = 0.0825

Simplifying
x = 0.0825

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