3(y+7)-4y=2y-3(y-7)+8y

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Solution for 3(y+7)-4y=2y-3(y-7)+8y equation:


Simplifying
3(y + 7) + -4y = 2y + -3(y + -7) + 8y

Reorder the terms:
3(7 + y) + -4y = 2y + -3(y + -7) + 8y
(7 * 3 + y * 3) + -4y = 2y + -3(y + -7) + 8y
(21 + 3y) + -4y = 2y + -3(y + -7) + 8y

Combine like terms: 3y + -4y = -1y
21 + -1y = 2y + -3(y + -7) + 8y

Reorder the terms:
21 + -1y = 2y + -3(-7 + y) + 8y
21 + -1y = 2y + (-7 * -3 + y * -3) + 8y
21 + -1y = 2y + (21 + -3y) + 8y

Reorder the terms:
21 + -1y = 21 + 2y + -3y + 8y

Combine like terms: 2y + -3y = -1y
21 + -1y = 21 + -1y + 8y

Combine like terms: -1y + 8y = 7y
21 + -1y = 21 + 7y

Add '-21' to each side of the equation.
21 + -21 + -1y = 21 + -21 + 7y

Combine like terms: 21 + -21 = 0
0 + -1y = 21 + -21 + 7y
-1y = 21 + -21 + 7y

Combine like terms: 21 + -21 = 0
-1y = 0 + 7y
-1y = 7y

Solving
-1y = 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
-1y + -7y = 7y + -7y

Combine like terms: -1y + -7y = -8y
-8y = 7y + -7y

Combine like terms: 7y + -7y = 0
-8y = 0

Divide each side by '-8'.
y = 0

Simplifying
y = 0

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