8.9+1.2(3a-1)=14.9

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Solution for 8.9+1.2(3a-1)=14.9 equation: 


Simplifying
8.9 + 1.2(3a + -1) = 14.9

Reorder the terms:
8.9 + 1.2(-1 + 3a) = 14.9
8.9 + (-1 * 1.2 + 3a * 1.2) = 14.9
8.9 + (-1.2 + 3.6a) = 14.9

Combine like terms: 8.9 + -1.2 = 7.7
7.7 + 3.6a = 14.9

Solving
7.7 + 3.6a = 14.9

Solving for variable 'a'.

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

Add '-7.7' to each side of the equation.
7.7 + -7.7 + 3.6a = 14.9 + -7.7

Combine like terms: 7.7 + -7.7 = 0.0
0.0 + 3.6a = 14.9 + -7.7
3.6a = 14.9 + -7.7

Combine like terms: 14.9 + -7.7 = 7.2
3.6a = 7.2

Divide each side by '3.6'.
a = 2

Simplifying
a = 2

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