4.2y+5.10-(-3.1-1.9)=6.3

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Solution for 4.2y+5.10-(-3.1-1.9)=6.3 equation: 


Simplifying
4.2y + 5.10 + -1(-3.1 + -1.9) = 6.3

Combine like terms: -3.1 + -1.9 = -5
4.2y + 5.10 + -1(-5) = 6.3

Multiply -1 * -5
4.2y + 5.10 + 5 = 6.3

Reorder the terms:
5.10 + 5 + 4.2y = 6.3

Combine like terms: 5.10 + 5 = 10.1
10.1 + 4.2y = 6.3

Solving
10.1 + 4.2y = 6.3

Solving for variable 'y'.

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

Add '-10.1' to each side of the equation.
10.1 + -10.1 + 4.2y = 6.3 + -10.1

Combine like terms: 10.1 + -10.1 = 0.0
0.0 + 4.2y = 6.3 + -10.1
4.2y = 6.3 + -10.1

Combine like terms: 6.3 + -10.1 = -3.8
4.2y = -3.8

Divide each side by '4.2'.
y = -0.9047619048

Simplifying
y = -0.9047619048

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