7.1-x=0.4

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Solution for 7.1-x=0.4 equation: 


Simplifying
7.1 + -1x = 0.4

Solving
7.1 + -1x = 0.4

Solving for variable 'x'.

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

Add '-7.1' to each side of the equation.
7.1 + -7.1 + -1x = 0.4 + -7.1

Combine like terms: 7.1 + -7.1 = 0.0
0.0 + -1x = 0.4 + -7.1
-1x = 0.4 + -7.1

Combine like terms: 0.4 + -7.1 = -6.7
-1x = -6.7

Divide each side by '-1'.
x = 6.7

Simplifying
x = 6.7

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