a-1.2(.4-.1a)=2.88

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Solution for a-1.2(.4-.1a)=2.88 equation: 


Simplifying
a + -1.2(0.4 + -0.1a) = 2.88
a + (0.4 * -1.2 + -0.1a * -1.2) = 2.88
a + (-0.48 + 0.12a) = 2.88

Reorder the terms:
-0.48 + a + 0.12a = 2.88

Combine like terms: a + 0.12a = 1.12a
-0.48 + 1.12a = 2.88

Solving
-0.48 + 1.12a = 2.88

Solving for variable 'a'.

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

Add '0.48' to each side of the equation.
-0.48 + 0.48 + 1.12a = 2.88 + 0.48

Combine like terms: -0.48 + 0.48 = 0.00
0.00 + 1.12a = 2.88 + 0.48
1.12a = 2.88 + 0.48

Combine like terms: 2.88 + 0.48 = 3.36
1.12a = 3.36

Divide each side by '1.12'.
a = 3

Simplifying
a = 3

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