7x-0.4=72

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Solution for 7x-0.4=72 equation: 


Simplifying
7x + -0.4 = 72

Reorder the terms:
-0.4 + 7x = 72

Solving
-0.4 + 7x = 72

Solving for variable 'x'.

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

Add '0.4' to each side of the equation.
-0.4 + 0.4 + 7x = 72 + 0.4

Combine like terms: -0.4 + 0.4 = 0.0
0.0 + 7x = 72 + 0.4
7x = 72 + 0.4

Combine like terms: 72 + 0.4 = 72.4
7x = 72.4

Divide each side by '7'.
x = 10.34285714

Simplifying
x = 10.34285714

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