6.72-2a+1.68=4.5

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Solution for 6.72-2a+1.68=4.5 equation:


Simplifying
6.72 + -2a + 1.68 = 4.5

Reorder the terms:
6.72 + 1.68 + -2a = 4.5

Combine like terms: 6.72 + 1.68 = 8.4
8.4 + -2a = 4.5

Solving
8.4 + -2a = 4.5

Solving for variable 'a'.

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

Add '-8.4' to each side of the equation.
8.4 + -8.4 + -2a = 4.5 + -8.4

Combine like terms: 8.4 + -8.4 = 0.0
0.0 + -2a = 4.5 + -8.4
-2a = 4.5 + -8.4

Combine like terms: 4.5 + -8.4 = -3.9
-2a = -3.9

Divide each side by '-2'.
a = 1.95

Simplifying
a = 1.95

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