10a+10.8=18(a-1)

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Solution for 10a+10.8=18(a-1) equation: 


Simplifying
10a + 10.8 = 18(a + -1)

Reorder the terms:
10.8 + 10a = 18(a + -1)

Reorder the terms:
10.8 + 10a = 18(-1 + a)
10.8 + 10a = (-1 * 18 + a * 18)
10.8 + 10a = (-18 + 18a)

Solving
10.8 + 10a = -18 + 18a

Solving for variable 'a'.

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

Add '-18a' to each side of the equation.
10.8 + 10a + -18a = -18 + 18a + -18a

Combine like terms: 10a + -18a = -8a
10.8 + -8a = -18 + 18a + -18a

Combine like terms: 18a + -18a = 0
10.8 + -8a = -18 + 0
10.8 + -8a = -18

Add '-10.8' to each side of the equation.
10.8 + -10.8 + -8a = -18 + -10.8

Combine like terms: 10.8 + -10.8 = 0.0
0.0 + -8a = -18 + -10.8
-8a = -18 + -10.8

Combine like terms: -18 + -10.8 = -28.8
-8a = -28.8

Divide each side by '-8'.
a = 3.6

Simplifying
a = 3.6

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