4(y-7)-(y+5)=2(1-y)

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Solution for 4(y-7)-(y+5)=2(1-y) equation:


Simplifying
4(y + -7) + -1(y + 5) = 2(1 + -1y)

Reorder the terms:
4(-7 + y) + -1(y + 5) = 2(1 + -1y)
(-7 * 4 + y * 4) + -1(y + 5) = 2(1 + -1y)
(-28 + 4y) + -1(y + 5) = 2(1 + -1y)

Reorder the terms:
-28 + 4y + -1(5 + y) = 2(1 + -1y)
-28 + 4y + (5 * -1 + y * -1) = 2(1 + -1y)
-28 + 4y + (-5 + -1y) = 2(1 + -1y)

Reorder the terms:
-28 + -5 + 4y + -1y = 2(1 + -1y)

Combine like terms: -28 + -5 = -33
-33 + 4y + -1y = 2(1 + -1y)

Combine like terms: 4y + -1y = 3y
-33 + 3y = 2(1 + -1y)
-33 + 3y = (1 * 2 + -1y * 2)
-33 + 3y = (2 + -2y)

Solving
-33 + 3y = 2 + -2y

Solving for variable 'y'.

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

Add '2y' to each side of the equation.
-33 + 3y + 2y = 2 + -2y + 2y

Combine like terms: 3y + 2y = 5y
-33 + 5y = 2 + -2y + 2y

Combine like terms: -2y + 2y = 0
-33 + 5y = 2 + 0
-33 + 5y = 2

Add '33' to each side of the equation.
-33 + 33 + 5y = 2 + 33

Combine like terms: -33 + 33 = 0
0 + 5y = 2 + 33
5y = 2 + 33

Combine like terms: 2 + 33 = 35
5y = 35

Divide each side by '5'.
y = 7

Simplifying
y = 7

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