-(5y-10)+6=21

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Solution for -(5y-10)+6=21 equation: 


Simplifying
-1(5y + -10) + 6 = 21

Reorder the terms:
-1(-10 + 5y) + 6 = 21
(-10 * -1 + 5y * -1) + 6 = 21
(10 + -5y) + 6 = 21

Reorder the terms:
10 + 6 + -5y = 21

Combine like terms: 10 + 6 = 16
16 + -5y = 21

Solving
16 + -5y = 21

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 + -5y = 21 + -16

Combine like terms: 16 + -16 = 0
0 + -5y = 21 + -16
-5y = 21 + -16

Combine like terms: 21 + -16 = 5
-5y = 5

Divide each side by '-5'.
y = -1

Simplifying
y = -1

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