3.9q-4.9-5.9q=3.0q-1.8

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Solution for 3.9q-4.9-5.9q=3.0q-1.8 equation:


Simplifying
3.9q + -4.9 + -5.9q = 3.0q + -1.8

Reorder the terms:
-4.9 + 3.9q + -5.9q = 3.0q + -1.8

Combine like terms: 3.9q + -5.9q = -2q
-4.9 + -2q = 3.0q + -1.8

Reorder the terms:
-4.9 + -2q = -1.8 + 3.0q

Solving
-4.9 + -2q = -1.8 + 3.0q

Solving for variable 'q'.

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

Add '-3.0q' to each side of the equation.
-4.9 + -2q + -3.0q = -1.8 + 3.0q + -3.0q

Combine like terms: -2q + -3.0q = -5q
-4.9 + -5q = -1.8 + 3.0q + -3.0q

Combine like terms: 3.0q + -3.0q = 0.0
-4.9 + -5q = -1.8 + 0.0
-4.9 + -5q = -1.8

Add '4.9' to each side of the equation.
-4.9 + 4.9 + -5q = -1.8 + 4.9

Combine like terms: -4.9 + 4.9 = 0.0
0.0 + -5q = -1.8 + 4.9
-5q = -1.8 + 4.9

Combine like terms: -1.8 + 4.9 = 3.1
-5q = 3.1

Divide each side by '-5'.
q = -0.62

Simplifying
q = -0.62

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