-55+21y+7=6(4y-2)-9

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Solution for -55+21y+7=6(4y-2)-9 equation:


Simplifying
-55 + 21y + 7 = 6(4y + -2) + -9

Reorder the terms:
-55 + 7 + 21y = 6(4y + -2) + -9

Combine like terms: -55 + 7 = -48
-48 + 21y = 6(4y + -2) + -9

Reorder the terms:
-48 + 21y = 6(-2 + 4y) + -9
-48 + 21y = (-2 * 6 + 4y * 6) + -9
-48 + 21y = (-12 + 24y) + -9

Reorder the terms:
-48 + 21y = -12 + -9 + 24y

Combine like terms: -12 + -9 = -21
-48 + 21y = -21 + 24y

Solving
-48 + 21y = -21 + 24y

Solving for variable 'y'.

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

Add '-24y' to each side of the equation.
-48 + 21y + -24y = -21 + 24y + -24y

Combine like terms: 21y + -24y = -3y
-48 + -3y = -21 + 24y + -24y

Combine like terms: 24y + -24y = 0
-48 + -3y = -21 + 0
-48 + -3y = -21

Add '48' to each side of the equation.
-48 + 48 + -3y = -21 + 48

Combine like terms: -48 + 48 = 0
0 + -3y = -21 + 48
-3y = -21 + 48

Combine like terms: -21 + 48 = 27
-3y = 27

Divide each side by '-3'.
y = -9

Simplifying
y = -9

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