2(-2y-10)+9y=12

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Solution for 2(-2y-10)+9y=12 equation: 


Simplifying
2(-2y + -10) + 9y = 12

Reorder the terms:
2(-10 + -2y) + 9y = 12
(-10 * 2 + -2y * 2) + 9y = 12
(-20 + -4y) + 9y = 12

Combine like terms: -4y + 9y = 5y
-20 + 5y = 12

Solving
-20 + 5y = 12

Solving for variable 'y'.

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

Add '20' to each side of the equation.
-20 + 20 + 5y = 12 + 20

Combine like terms: -20 + 20 = 0
0 + 5y = 12 + 20
5y = 12 + 20

Combine like terms: 12 + 20 = 32
5y = 32

Divide each side by '5'.
y = 6.4

Simplifying
y = 6.4

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