.87=(1-x)*1

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Solution for .87=(1-x)*1 equation:


Simplifying
0.87 = (1 + -1x) * 1

Reorder the terms for easier multiplication:
0.87 = 1(1 + -1x)
0.87 = (1 * 1 + -1x * 1)
0.87 = (1 + -1x)

Solving
0.87 = 1 + -1x

Solving for variable 'x'.

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

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

Combine like terms: -1x + x = 0
0.87 + x = 1 + 0
0.87 + x = 1

Add '-0.87' to each side of the equation.
0.87 + -0.87 + x = 1 + -0.87

Combine like terms: 0.87 + -0.87 = 0.00
0.00 + x = 1 + -0.87
x = 1 + -0.87

Combine like terms: 1 + -0.87 = 0.13
x = 0.13

Simplifying
x = 0.13

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