4.2q-1.7-3.9q=-0.7q-3.9

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Solution for 4.2q-1.7-3.9q=-0.7q-3.9 equation: 


Simplifying
4.2q + -1.7 + -3.9q = -0.7q + -3.9

Reorder the terms:
-1.7 + 4.2q + -3.9q = -0.7q + -3.9

Combine like terms: 4.2q + -3.9q = 0.3q
-1.7 + 0.3q = -0.7q + -3.9

Reorder the terms:
-1.7 + 0.3q = -3.9 + -0.7q

Solving
-1.7 + 0.3q = -3.9 + -0.7q

Solving for variable 'q'.

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

Add '0.7q' to each side of the equation.
-1.7 + 0.3q + 0.7q = -3.9 + -0.7q + 0.7q

Combine like terms: 0.3q + 0.7q = 1q
-1.7 + 1q = -3.9 + -0.7q + 0.7q

Combine like terms: -0.7q + 0.7q = 0.0
-1.7 + 1q = -3.9 + 0.0
-1.7 + 1q = -3.9

Add '1.7' to each side of the equation.
-1.7 + 1.7 + 1q = -3.9 + 1.7

Combine like terms: -1.7 + 1.7 = 0.0
0.0 + 1q = -3.9 + 1.7
1q = -3.9 + 1.7

Combine like terms: -3.9 + 1.7 = -2.2
1q = -2.2

Divide each side by '1'.
q = -2.2

Simplifying
q = -2.2

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