4y-16-3y=-21+3y

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Solution for 4y-16-3y=-21+3y equation:


Simplifying
4y + -16 + -3y = -21 + 3y

Reorder the terms:
-16 + 4y + -3y = -21 + 3y

Combine like terms: 4y + -3y = 1y
-16 + 1y = -21 + 3y

Solving
-16 + 1y = -21 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
-16 + 1y + -3y = -21 + 3y + -3y

Combine like terms: 1y + -3y = -2y
-16 + -2y = -21 + 3y + -3y

Combine like terms: 3y + -3y = 0
-16 + -2y = -21 + 0
-16 + -2y = -21

Add '16' to each side of the equation.
-16 + 16 + -2y = -21 + 16

Combine like terms: -16 + 16 = 0
0 + -2y = -21 + 16
-2y = -21 + 16

Combine like terms: -21 + 16 = -5
-2y = -5

Divide each side by '-2'.
y = 2.5

Simplifying
y = 2.5

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