3(y-7)-2(3y-4)=(2-5y)

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Solution for 3(y-7)-2(3y-4)=(2-5y) equation:


Simplifying
3(y + -7) + -2(3y + -4) = (2 + -5y)

Reorder the terms:
3(-7 + y) + -2(3y + -4) = (2 + -5y)
(-7 * 3 + y * 3) + -2(3y + -4) = (2 + -5y)
(-21 + 3y) + -2(3y + -4) = (2 + -5y)

Reorder the terms:
-21 + 3y + -2(-4 + 3y) = (2 + -5y)
-21 + 3y + (-4 * -2 + 3y * -2) = (2 + -5y)
-21 + 3y + (8 + -6y) = (2 + -5y)

Reorder the terms:
-21 + 8 + 3y + -6y = (2 + -5y)

Combine like terms: -21 + 8 = -13
-13 + 3y + -6y = (2 + -5y)

Combine like terms: 3y + -6y = -3y
-13 + -3y = (2 + -5y)

Remove parenthesis around (2 + -5y)
-13 + -3y = 2 + -5y

Solving
-13 + -3y = 2 + -5y

Solving for variable 'y'.

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

Add '5y' to each side of the equation.
-13 + -3y + 5y = 2 + -5y + 5y

Combine like terms: -3y + 5y = 2y
-13 + 2y = 2 + -5y + 5y

Combine like terms: -5y + 5y = 0
-13 + 2y = 2 + 0
-13 + 2y = 2

Add '13' to each side of the equation.
-13 + 13 + 2y = 2 + 13

Combine like terms: -13 + 13 = 0
0 + 2y = 2 + 13
2y = 2 + 13

Combine like terms: 2 + 13 = 15
2y = 15

Divide each side by '2'.
y = 7.5

Simplifying
y = 7.5

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