4.2y+6.8=-2(-3.4-2.1y)

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Solution for 4.2y+6.8=-2(-3.4-2.1y) equation: 


Simplifying
4.2y + 6.8 = -2(-3.4 + -2.1y)

Reorder the terms:
6.8 + 4.2y = -2(-3.4 + -2.1y)
6.8 + 4.2y = (-3.4 * -2 + -2.1y * -2)
6.8 + 4.2y = (6.8 + 4.2y)

Add '-6.8' to each side of the equation.
6.8 + -6.8 + 4.2y = 6.8 + -6.8 + 4.2y

Combine like terms: 6.8 + -6.8 = 0.0
0.0 + 4.2y = 6.8 + -6.8 + 4.2y
4.2y = 6.8 + -6.8 + 4.2y

Combine like terms: 6.8 + -6.8 = 0.0
4.2y = 0.0 + 4.2y
4.2y = 4.2y

Add '-4.2y' to each side of the equation.
4.2y + -4.2y = 4.2y + -4.2y

Combine like terms: 4.2y + -4.2y = 0.0
0.0 = 4.2y + -4.2y

Combine like terms: 4.2y + -4.2y = 0.0
0.0 = 0.0

Solving
0.0 = 0.0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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