a-1.5=4.2

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Solution for a-1.5=4.2 equation: 


Simplifying
a + -1.5 = 4.2

Reorder the terms:
-1.5 + a = 4.2

Solving
-1.5 + a = 4.2

Solving for variable 'a'.

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

Add '1.5' to each side of the equation.
-1.5 + 1.5 + a = 4.2 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + a = 4.2 + 1.5
a = 4.2 + 1.5

Combine like terms: 4.2 + 1.5 = 5.7
a = 5.7

Simplifying
a = 5.7

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