21-7y=10y-1.89

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Solution for 21-7y=10y-1.89 equation:


Simplifying
21 + -7y = 10y + -1.89

Reorder the terms:
21 + -7y = -1.89 + 10y

Solving
21 + -7y = -1.89 + 10y

Solving for variable 'y'.

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

Add '-10y' to each side of the equation.
21 + -7y + -10y = -1.89 + 10y + -10y

Combine like terms: -7y + -10y = -17y
21 + -17y = -1.89 + 10y + -10y

Combine like terms: 10y + -10y = 0
21 + -17y = -1.89 + 0
21 + -17y = -1.89

Add '-21' to each side of the equation.
21 + -21 + -17y = -1.89 + -21

Combine like terms: 21 + -21 = 0
0 + -17y = -1.89 + -21
-17y = -1.89 + -21

Combine like terms: -1.89 + -21 = -22.89
-17y = -22.89

Divide each side by '-17'.
y = 1.346470588

Simplifying
y = 1.346470588

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