3.5x+6.4=7.8

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Solution for 3.5x+6.4=7.8 equation: 


Simplifying
3.5x + 6.4 = 7.8

Reorder the terms:
6.4 + 3.5x = 7.8

Solving
6.4 + 3.5x = 7.8

Solving for variable 'x'.

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

Add '-6.4' to each side of the equation.
6.4 + -6.4 + 3.5x = 7.8 + -6.4

Combine like terms: 6.4 + -6.4 = 0.0
0.0 + 3.5x = 7.8 + -6.4
3.5x = 7.8 + -6.4

Combine like terms: 7.8 + -6.4 = 1.4
3.5x = 1.4

Divide each side by '3.5'.
x = 0.4

Simplifying
x = 0.4

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