-2(7y-8)=30

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Solution for -2(7y-8)=30 equation: 


Simplifying
-2(7y + -8) = 30

Reorder the terms:
-2(-8 + 7y) = 30
(-8 * -2 + 7y * -2) = 30
(16 + -14y) = 30

Solving
16 + -14y = 30

Solving for variable 'y'.

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

Add '-16' to each side of the equation.
16 + -16 + -14y = 30 + -16

Combine like terms: 16 + -16 = 0
0 + -14y = 30 + -16
-14y = 30 + -16

Combine like terms: 30 + -16 = 14
-14y = 14

Divide each side by '-14'.
y = -1

Simplifying
y = -1

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