4y-6+y=-21

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


Simplifying
4y + -6 + y = -21

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

Combine like terms: 4y + y = 5y
-6 + 5y = -21

Solving
-6 + 5y = -21

Solving for variable 'y'.

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

Add '6' to each side of the equation.
-6 + 6 + 5y = -21 + 6

Combine like terms: -6 + 6 = 0
0 + 5y = -21 + 6
5y = -21 + 6

Combine like terms: -21 + 6 = -15
5y = -15

Divide each side by '5'.
y = -3

Simplifying
y = -3

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