3.9+1.5=x

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Solution for 3.9+1.5=x equation:


Simplifying
3.9 + 1.5 = x

Combine like terms: 3.9 + 1.5 = 5.4
5.4 = x

Solving
5.4 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
5.4 + -1x = x + -1x

Combine like terms: x + -1x = 0
5.4 + -1x = 0

Add '-5.4' to each side of the equation.
5.4 + -5.4 + -1x = 0 + -5.4

Combine like terms: 5.4 + -5.4 = 0.0
0.0 + -1x = 0 + -5.4
-1x = 0 + -5.4

Combine like terms: 0 + -5.4 = -5.4
-1x = -5.4

Divide each side by '-1'.
x = 5.4

Simplifying
x = 5.4

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