3.9x+2.5=10.3

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Solution for 3.9x+2.5=10.3 equation: 


Simplifying
3.9x + 2.5 = 10.3

Reorder the terms:
2.5 + 3.9x = 10.3

Solving
2.5 + 3.9x = 10.3

Solving for variable 'x'.

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

Add '-2.5' to each side of the equation.
2.5 + -2.5 + 3.9x = 10.3 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + 3.9x = 10.3 + -2.5
3.9x = 10.3 + -2.5

Combine like terms: 10.3 + -2.5 = 7.8
3.9x = 7.8

Divide each side by '3.9'.
x = 2

Simplifying
x = 2

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