3(3-y)-21=27y-6(2+5y)

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Solution for 3(3-y)-21=27y-6(2+5y) equation:


Simplifying
3(3 + -1y) + -21 = 27y + -6(2 + 5y)
(3 * 3 + -1y * 3) + -21 = 27y + -6(2 + 5y)
(9 + -3y) + -21 = 27y + -6(2 + 5y)

Reorder the terms:
9 + -21 + -3y = 27y + -6(2 + 5y)

Combine like terms: 9 + -21 = -12
-12 + -3y = 27y + -6(2 + 5y)
-12 + -3y = 27y + (2 * -6 + 5y * -6)
-12 + -3y = 27y + (-12 + -30y)

Reorder the terms:
-12 + -3y = -12 + 27y + -30y

Combine like terms: 27y + -30y = -3y
-12 + -3y = -12 + -3y

Add '12' to each side of the equation.
-12 + 12 + -3y = -12 + 12 + -3y

Combine like terms: -12 + 12 = 0
0 + -3y = -12 + 12 + -3y
-3y = -12 + 12 + -3y

Combine like terms: -12 + 12 = 0
-3y = 0 + -3y
-3y = -3y

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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