2.2q-1.4-2.1q=0.9q-5.1

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Solution for 2.2q-1.4-2.1q=0.9q-5.1 equation: 


Simplifying
2.2q + -1.4 + -2.1q = 0.9q + -5.1

Reorder the terms:
-1.4 + 2.2q + -2.1q = 0.9q + -5.1

Combine like terms: 2.2q + -2.1q = 0.1q
-1.4 + 0.1q = 0.9q + -5.1

Reorder the terms:
-1.4 + 0.1q = -5.1 + 0.9q

Solving
-1.4 + 0.1q = -5.1 + 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 = -5.1 + 0.9q + -0.9q

Combine like terms: 0.1q + -0.9q = -0.8q
-1.4 + -0.8q = -5.1 + 0.9q + -0.9q

Combine like terms: 0.9q + -0.9q = 0.0
-1.4 + -0.8q = -5.1 + 0.0
-1.4 + -0.8q = -5.1

Add '1.4' to each side of the equation.
-1.4 + 1.4 + -0.8q = -5.1 + 1.4

Combine like terms: -1.4 + 1.4 = 0.0
0.0 + -0.8q = -5.1 + 1.4
-0.8q = -5.1 + 1.4

Combine like terms: -5.1 + 1.4 = -3.7
-0.8q = -3.7

Divide each side by '-0.8'.
q = 4.625

Simplifying
q = 4.625

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