3(9-y)-42=17y-5(3+4y)

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Solution for 3(9-y)-42=17y-5(3+4y) equation:


Simplifying
3(9 + -1y) + -42 = 17y + -5(3 + 4y)
(9 * 3 + -1y * 3) + -42 = 17y + -5(3 + 4y)
(27 + -3y) + -42 = 17y + -5(3 + 4y)

Reorder the terms:
27 + -42 + -3y = 17y + -5(3 + 4y)

Combine like terms: 27 + -42 = -15
-15 + -3y = 17y + -5(3 + 4y)
-15 + -3y = 17y + (3 * -5 + 4y * -5)
-15 + -3y = 17y + (-15 + -20y)

Reorder the terms:
-15 + -3y = -15 + 17y + -20y

Combine like terms: 17y + -20y = -3y
-15 + -3y = -15 + -3y

Add '15' to each side of the equation.
-15 + 15 + -3y = -15 + 15 + -3y

Combine like terms: -15 + 15 = 0
0 + -3y = -15 + 15 + -3y
-3y = -15 + 15 + -3y

Combine like terms: -15 + 15 = 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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