2.1-y=10

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Solution for 2.1-y=10 equation: 


Simplifying
2.1 + -1y = 10

Solving
2.1 + -1y = 10

Solving for variable 'y'.

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

Add '-2.1' to each side of the equation.
2.1 + -2.1 + -1y = 10 + -2.1

Combine like terms: 2.1 + -2.1 = 0.0
0.0 + -1y = 10 + -2.1
-1y = 10 + -2.1

Combine like terms: 10 + -2.1 = 7.9
-1y = 7.9

Divide each side by '-1'.
y = -7.9

Simplifying
y = -7.9

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