6y+21-2y=4

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Solution for 6y+21-2y=4 equation:


Simplifying
6y + 21 + -2y = 4

Reorder the terms:
21 + 6y + -2y = 4

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

Solving
21 + 4y = 4

Solving for variable 'y'.

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

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

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

Combine like terms: 4 + -21 = -17
4y = -17

Divide each side by '4'.
y = -4.25

Simplifying
y = -4.25

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