q-2.1=-4.2

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Solution for q-2.1=-4.2 equation: 


Simplifying
q + -2.1 = -4.2

Reorder the terms:
-2.1 + q = -4.2

Solving
-2.1 + q = -4.2

Solving for variable 'q'.

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

Add '2.1' to each side of the equation.
-2.1 + 2.1 + q = -4.2 + 2.1

Combine like terms: -2.1 + 2.1 = 0.0
0.0 + q = -4.2 + 2.1
q = -4.2 + 2.1

Combine like terms: -4.2 + 2.1 = -2.1
q = -2.1

Simplifying
q = -2.1

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