3a+2.9=10.4

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Solution for 3a+2.9=10.4 equation: 


Simplifying
3a + 2.9 = 10.4

Reorder the terms:
2.9 + 3a = 10.4

Solving
2.9 + 3a = 10.4

Solving for variable 'a'.

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

Add '-2.9' to each side of the equation.
2.9 + -2.9 + 3a = 10.4 + -2.9

Combine like terms: 2.9 + -2.9 = 0.0
0.0 + 3a = 10.4 + -2.9
3a = 10.4 + -2.9

Combine like terms: 10.4 + -2.9 = 7.5
3a = 7.5

Divide each side by '3'.
a = 2.5

Simplifying
a = 2.5

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