2+2.1y=-1

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Solution for 2+2.1y=-1 equation: 


Simplifying
2 + 2.1y = -1

Solving
2 + 2.1y = -1

Solving for variable 'y'.

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

Add '-2' to each side of the equation.
2 + -2 + 2.1y = -1 + -2

Combine like terms: 2 + -2 = 0
0 + 2.1y = -1 + -2
2.1y = -1 + -2

Combine like terms: -1 + -2 = -3
2.1y = -3

Divide each side by '2.1'.
y = -1.428571429

Simplifying
y = -1.428571429

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