1=0.1x-0.9x-71

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Solution for 1=0.1x-0.9x-71 equation:


Simplifying
1 = 0.1x + -0.9x + -71

Reorder the terms:
1 = -71 + 0.1x + -0.9x

Combine like terms: 0.1x + -0.9x = -0.8x
1 = -71 + -0.8x

Solving
1 = -71 + -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.
1 + 0.8x = -71 + -0.8x + 0.8x

Combine like terms: -0.8x + 0.8x = 0.0
1 + 0.8x = -71 + 0.0
1 + 0.8x = -71

Add '-1' to each side of the equation.
1 + -1 + 0.8x = -71 + -1

Combine like terms: 1 + -1 = 0
0 + 0.8x = -71 + -1
0.8x = -71 + -1

Combine like terms: -71 + -1 = -72
0.8x = -72

Divide each side by '0.8'.
x = -90

Simplifying
x = -90

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