-21+4y+2=2(3y-3)-5

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Solution for -21+4y+2=2(3y-3)-5 equation:


Simplifying
-21 + 4y + 2 = 2(3y + -3) + -5

Reorder the terms:
-21 + 2 + 4y = 2(3y + -3) + -5

Combine like terms: -21 + 2 = -19
-19 + 4y = 2(3y + -3) + -5

Reorder the terms:
-19 + 4y = 2(-3 + 3y) + -5
-19 + 4y = (-3 * 2 + 3y * 2) + -5
-19 + 4y = (-6 + 6y) + -5

Reorder the terms:
-19 + 4y = -6 + -5 + 6y

Combine like terms: -6 + -5 = -11
-19 + 4y = -11 + 6y

Solving
-19 + 4y = -11 + 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.
-19 + 4y + -6y = -11 + 6y + -6y

Combine like terms: 4y + -6y = -2y
-19 + -2y = -11 + 6y + -6y

Combine like terms: 6y + -6y = 0
-19 + -2y = -11 + 0
-19 + -2y = -11

Add '19' to each side of the equation.
-19 + 19 + -2y = -11 + 19

Combine like terms: -19 + 19 = 0
0 + -2y = -11 + 19
-2y = -11 + 19

Combine like terms: -11 + 19 = 8
-2y = 8

Divide each side by '-2'.
y = -4

Simplifying
y = -4

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