3(-7)-9y=2

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Solution for 3(-7)-9y=2 equation: 


Simplifying
3(-7) + -9y = 2

Multiply 3 * -7
-21 + -9y = 2

Solving
-21 + -9y = 2

Solving for variable 'y'.

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

Add '21' to each side of the equation.
-21 + 21 + -9y = 2 + 21

Combine like terms: -21 + 21 = 0
0 + -9y = 2 + 21
-9y = 2 + 21

Combine like terms: 2 + 21 = 23
-9y = 23

Divide each side by '-9'.
y = -2.555555556

Simplifying
y = -2.555555556

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