(2a-19.2)+(a-1.4)+(a+1.8)+19.5=360

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Solution for (2a-19.2)+(a-1.4)+(a+1.8)+19.5=360 equation:


Simplifying
(2a + -19.2) + (a + -1.4) + (a + 1.8) + 19.5 = 360

Reorder the terms:
(-19.2 + 2a) + (a + -1.4) + (a + 1.8) + 19.5 = 360

Remove parenthesis around (-19.2 + 2a)
-19.2 + 2a + (a + -1.4) + (a + 1.8) + 19.5 = 360

Reorder the terms:
-19.2 + 2a + (-1.4 + a) + (a + 1.8) + 19.5 = 360

Remove parenthesis around (-1.4 + a)
-19.2 + 2a + -1.4 + a + (a + 1.8) + 19.5 = 360

Reorder the terms:
-19.2 + 2a + -1.4 + a + (1.8 + a) + 19.5 = 360

Remove parenthesis around (1.8 + a)
-19.2 + 2a + -1.4 + a + 1.8 + a + 19.5 = 360

Reorder the terms:
-19.2 + -1.4 + 1.8 + 19.5 + 2a + a + a = 360

Combine like terms: -19.2 + -1.4 = -20.6
-20.6 + 1.8 + 19.5 + 2a + a + a = 360

Combine like terms: -20.6 + 1.8 = -18.8
-18.8 + 19.5 + 2a + a + a = 360

Combine like terms: -18.8 + 19.5 = 0.7
0.7 + 2a + a + a = 360

Combine like terms: 2a + a = 3a
0.7 + 3a + a = 360

Combine like terms: 3a + a = 4a
0.7 + 4a = 360

Solving
0.7 + 4a = 360

Solving for variable 'a'.

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

Add '-0.7' to each side of the equation.
0.7 + -0.7 + 4a = 360 + -0.7

Combine like terms: 0.7 + -0.7 = 0.0
0.0 + 4a = 360 + -0.7
4a = 360 + -0.7

Combine like terms: 360 + -0.7 = 359.3
4a = 359.3

Divide each side by '4'.
a = 89.825

Simplifying
a = 89.825

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