-3.1y+2.1=0.7y-5.5

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Solution for -3.1y+2.1=0.7y-5.5 equation: 


Simplifying
-3.1y + 2.1 = 0.7y + -5.5

Reorder the terms:
2.1 + -3.1y = 0.7y + -5.5

Reorder the terms:
2.1 + -3.1y = -5.5 + 0.7y

Solving
2.1 + -3.1y = -5.5 + 0.7y

Solving for variable 'y'.

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

Add '-0.7y' to each side of the equation.
2.1 + -3.1y + -0.7y = -5.5 + 0.7y + -0.7y

Combine like terms: -3.1y + -0.7y = -3.8y
2.1 + -3.8y = -5.5 + 0.7y + -0.7y

Combine like terms: 0.7y + -0.7y = 0.0
2.1 + -3.8y = -5.5 + 0.0
2.1 + -3.8y = -5.5

Add '-2.1' to each side of the equation.
2.1 + -2.1 + -3.8y = -5.5 + -2.1

Combine like terms: 2.1 + -2.1 = 0.0
0.0 + -3.8y = -5.5 + -2.1
-3.8y = -5.5 + -2.1

Combine like terms: -5.5 + -2.1 = -7.6
-3.8y = -7.6

Divide each side by '-3.8'.
y = 2

Simplifying
y = 2

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