4(y-3)=2y+21

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


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

Reorder the terms:
4(-3 + y) = 2y + 21
(-3 * 4 + y * 4) = 2y + 21
(-12 + 4y) = 2y + 21

Reorder the terms:
-12 + 4y = 21 + 2y

Solving
-12 + 4y = 21 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
-12 + 4y + -2y = 21 + 2y + -2y

Combine like terms: 4y + -2y = 2y
-12 + 2y = 21 + 2y + -2y

Combine like terms: 2y + -2y = 0
-12 + 2y = 21 + 0
-12 + 2y = 21

Add '12' to each side of the equation.
-12 + 12 + 2y = 21 + 12

Combine like terms: -12 + 12 = 0
0 + 2y = 21 + 12
2y = 21 + 12

Combine like terms: 21 + 12 = 33
2y = 33

Divide each side by '2'.
y = 16.5

Simplifying
y = 16.5

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