8(2-y)-3(4y+3)=87

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Solution for 8(2-y)-3(4y+3)=87 equation: 


Simplifying
8(2 + -1y) + -3(4y + 3) = 87
(2 * 8 + -1y * 8) + -3(4y + 3) = 87
(16 + -8y) + -3(4y + 3) = 87

Reorder the terms:
16 + -8y + -3(3 + 4y) = 87
16 + -8y + (3 * -3 + 4y * -3) = 87
16 + -8y + (-9 + -12y) = 87

Reorder the terms:
16 + -9 + -8y + -12y = 87

Combine like terms: 16 + -9 = 7
7 + -8y + -12y = 87

Combine like terms: -8y + -12y = -20y
7 + -20y = 87

Solving
7 + -20y = 87

Solving for variable 'y'.

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

Add '-7' to each side of the equation.
7 + -7 + -20y = 87 + -7

Combine like terms: 7 + -7 = 0
0 + -20y = 87 + -7
-20y = 87 + -7

Combine like terms: 87 + -7 = 80
-20y = 80

Divide each side by '-20'.
y = -4

Simplifying
y = -4

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