4y-3=6y+21

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Solution for 4y-3=6y+21 equation:


Simplifying
4y + -3 = 6y + 21

Reorder the terms:
-3 + 4y = 6y + 21

Reorder the terms:
-3 + 4y = 21 + 6y

Solving
-3 + 4y = 21 + 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.
-3 + 4y + -6y = 21 + 6y + -6y

Combine like terms: 4y + -6y = -2y
-3 + -2y = 21 + 6y + -6y

Combine like terms: 6y + -6y = 0
-3 + -2y = 21 + 0
-3 + -2y = 21

Add '3' to each side of the equation.
-3 + 3 + -2y = 21 + 3

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

Combine like terms: 21 + 3 = 24
-2y = 24

Divide each side by '-2'.
y = -12

Simplifying
y = -12

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