0.8x+7.5=3.9

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Solution for 0.8x+7.5=3.9 equation: 


Simplifying
0.8x + 7.5 = 3.9

Reorder the terms:
7.5 + 0.8x = 3.9

Solving
7.5 + 0.8x = 3.9

Solving for variable 'x'.

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

Add '-7.5' to each side of the equation.
7.5 + -7.5 + 0.8x = 3.9 + -7.5

Combine like terms: 7.5 + -7.5 = 0.0
0.0 + 0.8x = 3.9 + -7.5
0.8x = 3.9 + -7.5

Combine like terms: 3.9 + -7.5 = -3.6
0.8x = -3.6

Divide each side by '0.8'.
x = -4.5

Simplifying
x = -4.5

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