6y-7=2y+21

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Solution for 6y-7=2y+21 equation:


Simplifying
6y + -7 = 2y + 21

Reorder the terms:
-7 + 6y = 2y + 21

Reorder the terms:
-7 + 6y = 21 + 2y

Solving
-7 + 6y = 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.
-7 + 6y + -2y = 21 + 2y + -2y

Combine like terms: 6y + -2y = 4y
-7 + 4y = 21 + 2y + -2y

Combine like terms: 2y + -2y = 0
-7 + 4y = 21 + 0
-7 + 4y = 21

Add '7' to each side of the equation.
-7 + 7 + 4y = 21 + 7

Combine like terms: -7 + 7 = 0
0 + 4y = 21 + 7
4y = 21 + 7

Combine like terms: 21 + 7 = 28
4y = 28

Divide each side by '4'.
y = 7

Simplifying
y = 7

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