8.1=a-(2.4)

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Solution for 8.1=a-(2.4) equation:


Simplifying
8.1 = a + -1(2.4)

Multiply -1 * 2.4
8.1 = a + -2.4

Reorder the terms:
8.1 = -2.4 + a

Solving
8.1 = -2.4 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
8.1 + -1a = -2.4 + a + -1a

Combine like terms: a + -1a = 0
8.1 + -1a = -2.4 + 0
8.1 + -1a = -2.4

Add '-8.1' to each side of the equation.
8.1 + -8.1 + -1a = -2.4 + -8.1

Combine like terms: 8.1 + -8.1 = 0.0
0.0 + -1a = -2.4 + -8.1
-1a = -2.4 + -8.1

Combine like terms: -2.4 + -8.1 = -10.5
-1a = -10.5

Divide each side by '-1'.
a = 10.5

Simplifying
a = 10.5

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