-21=4.2y

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Solution for -21=4.2y equation:


-21=4.2y

We simplify the equation to the form, which is simple to understand
-21=4.2y

We move all terms containing y to the left and all other terms to the right.
-4.2y=+21

We simplify left and right side of the equation.
-4.2y=+21

We divide both sides of the equation by -04.2 to get y.
y=-5

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