4.2q-1.4-4.1q=-.9q-1.9

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Solution for 4.2q-1.4-4.1q=-.9q-1.9 equation: 


Simplifying
4.2q + -1.4 + -4.1q = -0.9q + -1.9

Reorder the terms:
-1.4 + 4.2q + -4.1q = -0.9q + -1.9

Combine like terms: 4.2q + -4.1q = 0.1q
-1.4 + 0.1q = -0.9q + -1.9

Reorder the terms:
-1.4 + 0.1q = -1.9 + -0.9q

Solving
-1.4 + 0.1q = -1.9 + -0.9q

Solving for variable 'q'.

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

Add '0.9q' to each side of the equation.
-1.4 + 0.1q + 0.9q = -1.9 + -0.9q + 0.9q

Combine like terms: 0.1q + 0.9q = 1q
-1.4 + 1q = -1.9 + -0.9q + 0.9q

Combine like terms: -0.9q + 0.9q = 0.0
-1.4 + 1q = -1.9 + 0.0
-1.4 + 1q = -1.9

Add '1.4' to each side of the equation.
-1.4 + 1.4 + 1q = -1.9 + 1.4

Combine like terms: -1.4 + 1.4 = 0.0
0.0 + 1q = -1.9 + 1.4
1q = -1.9 + 1.4

Combine like terms: -1.9 + 1.4 = -0.5
1q = -0.5

Divide each side by '1'.
q = -0.5

Simplifying
q = -0.5

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