0.3+5.4=0.2-a

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Solution for 0.3+5.4=0.2-a equation:


Simplifying
0.3 + 5.4 = 0.2 + -1a

Combine like terms: 0.3 + 5.4 = 5.7
5.7 = 0.2 + -1a

Solving
5.7 = 0.2 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
5.7 + a = 0.2 + -1a + a

Combine like terms: -1a + a = 0
5.7 + a = 0.2 + 0
5.7 + a = 0.2

Add '-5.7' to each side of the equation.
5.7 + -5.7 + a = 0.2 + -5.7

Combine like terms: 5.7 + -5.7 = 0.0
0.0 + a = 0.2 + -5.7
a = 0.2 + -5.7

Combine like terms: 0.2 + -5.7 = -5.5
a = -5.5

Simplifying
a = -5.5

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