3.21-7y=1.89-10y

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Solution for 3.21-7y=1.89-10y equation:


Simplifying
3.21 + -7y = 1.89 + -10y

Solving
3.21 + -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.
3.21 + -7y + 10y = 1.89 + -10y + 10y

Combine like terms: -7y + 10y = 3y
3.21 + 3y = 1.89 + -10y + 10y

Combine like terms: -10y + 10y = 0
3.21 + 3y = 1.89 + 0
3.21 + 3y = 1.89

Add '-3.21' to each side of the equation.
3.21 + -3.21 + 3y = 1.89 + -3.21

Combine like terms: 3.21 + -3.21 = 0.00
0.00 + 3y = 1.89 + -3.21
3y = 1.89 + -3.21

Combine like terms: 1.89 + -3.21 = -1.32
3y = -1.32

Divide each side by '3'.
y = -0.44

Simplifying
y = -0.44

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