-0.84=2.1y

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Solution for -0.84=2.1y equation:


Simplifying
-0.84 = 2.1y

Solving
-0.84 = 2.1y

Solving for variable 'y'.

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

Add '-2.1y' to each side of the equation.
-0.84 + -2.1y = 2.1y + -2.1y

Combine like terms: 2.1y + -2.1y = 0.0
-0.84 + -2.1y = 0.0

Add '0.84' to each side of the equation.
-0.84 + 0.84 + -2.1y = 0.0 + 0.84

Combine like terms: -0.84 + 0.84 = 0.00
0.00 + -2.1y = 0.0 + 0.84
-2.1y = 0.0 + 0.84

Combine like terms: 0.0 + 0.84 = 0.84
-2.1y = 0.84

Divide each side by '-2.1'.
y = -0.4

Simplifying
y = -0.4

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