3(9-2y)+5y=20

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Solution for 3(9-2y)+5y=20 equation: 


Simplifying
3(9 + -2y) + 5y = 20
(9 * 3 + -2y * 3) + 5y = 20
(27 + -6y) + 5y = 20

Combine like terms: -6y + 5y = -1y
27 + -1y = 20

Solving
27 + -1y = 20

Solving for variable 'y'.

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

Add '-27' to each side of the equation.
27 + -27 + -1y = 20 + -27

Combine like terms: 27 + -27 = 0
0 + -1y = 20 + -27
-1y = 20 + -27

Combine like terms: 20 + -27 = -7
-1y = -7

Divide each side by '-1'.
y = 7

Simplifying
y = 7

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