5.4=a-(-1.8)

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Solution for 5.4=a-(-1.8) equation:


Simplifying
5.4 = a + -1(-1.8)

Multiply -1 * -1.8
5.4 = a + 1.8

Reorder the terms:
5.4 = 1.8 + a

Solving
5.4 = 1.8 + 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.
5.4 + -1a = 1.8 + a + -1a

Combine like terms: a + -1a = 0
5.4 + -1a = 1.8 + 0
5.4 + -1a = 1.8

Add '-5.4' to each side of the equation.
5.4 + -5.4 + -1a = 1.8 + -5.4

Combine like terms: 5.4 + -5.4 = 0.0
0.0 + -1a = 1.8 + -5.4
-1a = 1.8 + -5.4

Combine like terms: 1.8 + -5.4 = -3.6
-1a = -3.6

Divide each side by '-1'.
a = 3.6

Simplifying
a = 3.6

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