(0.4x-71)=90

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Solution for (0.4x-71)=90 equation:


Simplifying
(0.4x + -71) = 90

Reorder the terms:
(-71 + 0.4x) = 90

Remove parenthesis around (-71 + 0.4x)
-71 + 0.4x = 90

Solving
-71 + 0.4x = 90

Solving for variable 'x'.

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

Add '71' to each side of the equation.
-71 + 71 + 0.4x = 90 + 71

Combine like terms: -71 + 71 = 0
0 + 0.4x = 90 + 71
0.4x = 90 + 71

Combine like terms: 90 + 71 = 161
0.4x = 161

Divide each side by '0.4'.
x = 402.5

Simplifying
x = 402.5

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