3.1q-3.5-4.2q=-2.1q-5.1

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Solution for 3.1q-3.5-4.2q=-2.1q-5.1 equation: 


Simplifying
3.1q + -3.5 + -4.2q = -2.1q + -5.1

Reorder the terms:
-3.5 + 3.1q + -4.2q = -2.1q + -5.1

Combine like terms: 3.1q + -4.2q = -1.1q
-3.5 + -1.1q = -2.1q + -5.1

Reorder the terms:
-3.5 + -1.1q = -5.1 + -2.1q

Solving
-3.5 + -1.1q = -5.1 + -2.1q

Solving for variable 'q'.

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

Add '2.1q' to each side of the equation.
-3.5 + -1.1q + 2.1q = -5.1 + -2.1q + 2.1q

Combine like terms: -1.1q + 2.1q = 1q
-3.5 + 1q = -5.1 + -2.1q + 2.1q

Combine like terms: -2.1q + 2.1q = 0.0
-3.5 + 1q = -5.1 + 0.0
-3.5 + 1q = -5.1

Add '3.5' to each side of the equation.
-3.5 + 3.5 + 1q = -5.1 + 3.5

Combine like terms: -3.5 + 3.5 = 0.0
0.0 + 1q = -5.1 + 3.5
1q = -5.1 + 3.5

Combine like terms: -5.1 + 3.5 = -1.6
1q = -1.6

Divide each side by '1'.
q = -1.6

Simplifying
q = -1.6

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