-7(y+2)+3(4y-7)=4(y-4)+12

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Solution for -7(y+2)+3(4y-7)=4(y-4)+12 equation:


Simplifying
-7(y + 2) + 3(4y + -7) = 4(y + -4) + 12

Reorder the terms:
-7(2 + y) + 3(4y + -7) = 4(y + -4) + 12
(2 * -7 + y * -7) + 3(4y + -7) = 4(y + -4) + 12
(-14 + -7y) + 3(4y + -7) = 4(y + -4) + 12

Reorder the terms:
-14 + -7y + 3(-7 + 4y) = 4(y + -4) + 12
-14 + -7y + (-7 * 3 + 4y * 3) = 4(y + -4) + 12
-14 + -7y + (-21 + 12y) = 4(y + -4) + 12

Reorder the terms:
-14 + -21 + -7y + 12y = 4(y + -4) + 12

Combine like terms: -14 + -21 = -35
-35 + -7y + 12y = 4(y + -4) + 12

Combine like terms: -7y + 12y = 5y
-35 + 5y = 4(y + -4) + 12

Reorder the terms:
-35 + 5y = 4(-4 + y) + 12
-35 + 5y = (-4 * 4 + y * 4) + 12
-35 + 5y = (-16 + 4y) + 12

Reorder the terms:
-35 + 5y = -16 + 12 + 4y

Combine like terms: -16 + 12 = -4
-35 + 5y = -4 + 4y

Solving
-35 + 5y = -4 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
-35 + 5y + -4y = -4 + 4y + -4y

Combine like terms: 5y + -4y = 1y
-35 + 1y = -4 + 4y + -4y

Combine like terms: 4y + -4y = 0
-35 + 1y = -4 + 0
-35 + 1y = -4

Add '35' to each side of the equation.
-35 + 35 + 1y = -4 + 35

Combine like terms: -35 + 35 = 0
0 + 1y = -4 + 35
1y = -4 + 35

Combine like terms: -4 + 35 = 31
1y = 31

Divide each side by '1'.
y = 31

Simplifying
y = 31

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