4.6q-2.1-4.2q=-0.6q-3.9

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Solution for 4.6q-2.1-4.2q=-0.6q-3.9 equation: 


Simplifying
4.6q + -2.1 + -4.2q = -0.6q + -3.9

Reorder the terms:
-2.1 + 4.6q + -4.2q = -0.6q + -3.9

Combine like terms: 4.6q + -4.2q = 0.4q
-2.1 + 0.4q = -0.6q + -3.9

Reorder the terms:
-2.1 + 0.4q = -3.9 + -0.6q

Solving
-2.1 + 0.4q = -3.9 + -0.6q

Solving for variable 'q'.

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

Add '0.6q' to each side of the equation.
-2.1 + 0.4q + 0.6q = -3.9 + -0.6q + 0.6q

Combine like terms: 0.4q + 0.6q = 1q
-2.1 + 1q = -3.9 + -0.6q + 0.6q

Combine like terms: -0.6q + 0.6q = 0.0
-2.1 + 1q = -3.9 + 0.0
-2.1 + 1q = -3.9

Add '2.1' to each side of the equation.
-2.1 + 2.1 + 1q = -3.9 + 2.1

Combine like terms: -2.1 + 2.1 = 0.0
0.0 + 1q = -3.9 + 2.1
1q = -3.9 + 2.1

Combine like terms: -3.9 + 2.1 = -1.8
1q = -1.8

Divide each side by '1'.
q = -1.8

Simplifying
q = -1.8

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