7.9y=21y-2.1

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Solution for 7.9y=21y-2.1 equation:


Simplifying
7.9y = 21y + -2.1

Reorder the terms:
7.9y = -2.1 + 21y

Solving
7.9y = -2.1 + 21y

Solving for variable 'y'.

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

Add '-21y' to each side of the equation.
7.9y + -21y = -2.1 + 21y + -21y

Combine like terms: 7.9y + -21y = -13.1y
-13.1y = -2.1 + 21y + -21y

Combine like terms: 21y + -21y = 0
-13.1y = -2.1 + 0
-13.1y = -2.1

Divide each side by '-13.1'.
y = 0.1603053435

Simplifying
y = 0.1603053435

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