2(2y-3.1)+5.2=(9y-0.2)

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Solution for 2(2y-3.1)+5.2=(9y-0.2) equation:


Simplifying
2(2y + -3.1) + 5.2 = (9y + -0.2)

Reorder the terms:
2(-3.1 + 2y) + 5.2 = (9y + -0.2)
(-3.1 * 2 + 2y * 2) + 5.2 = (9y + -0.2)
(-6.2 + 4y) + 5.2 = (9y + -0.2)

Reorder the terms:
-6.2 + 5.2 + 4y = (9y + -0.2)

Combine like terms: -6.2 + 5.2 = -1
-1 + 4y = (9y + -0.2)

Reorder the terms:
-1 + 4y = (-0.2 + 9y)

Remove parenthesis around (-0.2 + 9y)
-1 + 4y = -0.2 + 9y

Solving
-1 + 4y = -0.2 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
-1 + 4y + -9y = -0.2 + 9y + -9y

Combine like terms: 4y + -9y = -5y
-1 + -5y = -0.2 + 9y + -9y

Combine like terms: 9y + -9y = 0
-1 + -5y = -0.2 + 0
-1 + -5y = -0.2

Add '1' to each side of the equation.
-1 + 1 + -5y = -0.2 + 1

Combine like terms: -1 + 1 = 0
0 + -5y = -0.2 + 1
-5y = -0.2 + 1

Combine like terms: -0.2 + 1 = 0.8
-5y = 0.8

Divide each side by '-5'.
y = -0.16

Simplifying
y = -0.16

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