-7(y-8)-5(4y-7)=3y+1

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Solution for -7(y-8)-5(4y-7)=3y+1 equation:


Simplifying
-7(y + -8) + -5(4y + -7) = 3y + 1

Reorder the terms:
-7(-8 + y) + -5(4y + -7) = 3y + 1
(-8 * -7 + y * -7) + -5(4y + -7) = 3y + 1
(56 + -7y) + -5(4y + -7) = 3y + 1

Reorder the terms:
56 + -7y + -5(-7 + 4y) = 3y + 1
56 + -7y + (-7 * -5 + 4y * -5) = 3y + 1
56 + -7y + (35 + -20y) = 3y + 1

Reorder the terms:
56 + 35 + -7y + -20y = 3y + 1

Combine like terms: 56 + 35 = 91
91 + -7y + -20y = 3y + 1

Combine like terms: -7y + -20y = -27y
91 + -27y = 3y + 1

Reorder the terms:
91 + -27y = 1 + 3y

Solving
91 + -27y = 1 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
91 + -27y + -3y = 1 + 3y + -3y

Combine like terms: -27y + -3y = -30y
91 + -30y = 1 + 3y + -3y

Combine like terms: 3y + -3y = 0
91 + -30y = 1 + 0
91 + -30y = 1

Add '-91' to each side of the equation.
91 + -91 + -30y = 1 + -91

Combine like terms: 91 + -91 = 0
0 + -30y = 1 + -91
-30y = 1 + -91

Combine like terms: 1 + -91 = -90
-30y = -90

Divide each side by '-30'.
y = 3

Simplifying
y = 3

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