21+2y-3=11y-10-5y

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Solution for 21+2y-3=11y-10-5y equation:


Simplifying
21 + 2y + -3 = 11y + -10 + -5y

Reorder the terms:
21 + -3 + 2y = 11y + -10 + -5y

Combine like terms: 21 + -3 = 18
18 + 2y = 11y + -10 + -5y

Reorder the terms:
18 + 2y = -10 + 11y + -5y

Combine like terms: 11y + -5y = 6y
18 + 2y = -10 + 6y

Solving
18 + 2y = -10 + 6y

Solving for variable 'y'.

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

Add '-6y' to each side of the equation.
18 + 2y + -6y = -10 + 6y + -6y

Combine like terms: 2y + -6y = -4y
18 + -4y = -10 + 6y + -6y

Combine like terms: 6y + -6y = 0
18 + -4y = -10 + 0
18 + -4y = -10

Add '-18' to each side of the equation.
18 + -18 + -4y = -10 + -18

Combine like terms: 18 + -18 = 0
0 + -4y = -10 + -18
-4y = -10 + -18

Combine like terms: -10 + -18 = -28
-4y = -28

Divide each side by '-4'.
y = 7

Simplifying
y = 7

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