(1.5*a)+(a+1.40)+a=3.50

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Solution for (1.5*a)+(a+1.40)+a=3.50 equation: 


Simplifying
(1.5a) + (a + 1.40) + a = 3.50

Reorder the terms:
(1.5a) + (1.40 + a) + a = 3.50

Remove parenthesis around (1.40 + a)
(1.5a) + 1.40 + a + a = 3.50

Reorder the terms:
1.40 + (1.5a) + a + a = 3.50

Combine like terms: (1.5a) + a = 2.5a
1.40 + 2.5a + a = 3.50

Combine like terms: 2.5a + a = 3.5a
1.40 + 3.5a = 3.50

Solving
1.40 + 3.5a = 3.50

Solving for variable 'a'.

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

Add '-1.40' to each side of the equation.
1.40 + -1.40 + 3.5a = 3.50 + -1.40

Combine like terms: 1.40 + -1.40 = 0.00
0.00 + 3.5a = 3.50 + -1.40
3.5a = 3.50 + -1.40

Combine like terms: 3.50 + -1.40 = 2.1
3.5a = 2.1

Divide each side by '3.5'.
a = 0.6

Simplifying
a = 0.6

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