2y-21-9y+36=

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Solution for 2y-21-9y+36= equation:


Simplifying
2y + -21 + -9y + 36 = 0

Reorder the terms:
-21 + 36 + 2y + -9y = 0

Combine like terms: -21 + 36 = 15
15 + 2y + -9y = 0

Combine like terms: 2y + -9y = -7y
15 + -7y = 0

Solving
15 + -7y = 0

Solving for variable 'y'.

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

Add '-15' to each side of the equation.
15 + -15 + -7y = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -7y = 0 + -15
-7y = 0 + -15

Combine like terms: 0 + -15 = -15
-7y = -15

Divide each side by '-7'.
y = 2.142857143

Simplifying
y = 2.142857143

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