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

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


Simplifying
-2y + 7 = -6y + -21

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

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

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

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

Combine like terms: -6y + 6y = 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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