.56-.4(2.1y+3)=.2(2y+6.1)

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Solution for .56-.4(2.1y+3)=.2(2y+6.1) equation:


Simplifying
0.56 + -0.4(2.1y + 3) = 0.2(2y + 6.1)

Reorder the terms:
0.56 + -0.4(3 + 2.1y) = 0.2(2y + 6.1)
0.56 + (3 * -0.4 + 2.1y * -0.4) = 0.2(2y + 6.1)
0.56 + (-1.2 + -0.84y) = 0.2(2y + 6.1)

Combine like terms: 0.56 + -1.2 = -0.64
-0.64 + -0.84y = 0.2(2y + 6.1)

Reorder the terms:
-0.64 + -0.84y = 0.2(6.1 + 2y)
-0.64 + -0.84y = (6.1 * 0.2 + 2y * 0.2)
-0.64 + -0.84y = (1.22 + 0.4y)

Solving
-0.64 + -0.84y = 1.22 + 0.4y

Solving for variable 'y'.

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

Add '-0.4y' to each side of the equation.
-0.64 + -0.84y + -0.4y = 1.22 + 0.4y + -0.4y

Combine like terms: -0.84y + -0.4y = -1.24y
-0.64 + -1.24y = 1.22 + 0.4y + -0.4y

Combine like terms: 0.4y + -0.4y = 0.0
-0.64 + -1.24y = 1.22 + 0.0
-0.64 + -1.24y = 1.22

Add '0.64' to each side of the equation.
-0.64 + 0.64 + -1.24y = 1.22 + 0.64

Combine like terms: -0.64 + 0.64 = 0.00
0.00 + -1.24y = 1.22 + 0.64
-1.24y = 1.22 + 0.64

Combine like terms: 1.22 + 0.64 = 1.86
-1.24y = 1.86

Divide each side by '-1.24'.
y = -1.5

Simplifying
y = -1.5

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