7(6y-5(4y-11))=7-8y

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Solution for 7(6y-5(4y-11))=7-8y equation:


Simplifying
7(6y + -5(4y + -11)) = 7 + -8y

Reorder the terms:
7(6y + -5(-11 + 4y)) = 7 + -8y
7(6y + (-11 * -5 + 4y * -5)) = 7 + -8y
7(6y + (55 + -20y)) = 7 + -8y

Reorder the terms:
7(55 + 6y + -20y) = 7 + -8y

Combine like terms: 6y + -20y = -14y
7(55 + -14y) = 7 + -8y
(55 * 7 + -14y * 7) = 7 + -8y
(385 + -98y) = 7 + -8y

Solving
385 + -98y = 7 + -8y

Solving for variable 'y'.

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

Add '8y' to each side of the equation.
385 + -98y + 8y = 7 + -8y + 8y

Combine like terms: -98y + 8y = -90y
385 + -90y = 7 + -8y + 8y

Combine like terms: -8y + 8y = 0
385 + -90y = 7 + 0
385 + -90y = 7

Add '-385' to each side of the equation.
385 + -385 + -90y = 7 + -385

Combine like terms: 385 + -385 = 0
0 + -90y = 7 + -385
-90y = 7 + -385

Combine like terms: 7 + -385 = -378
-90y = -378

Divide each side by '-90'.
y = 4.2

Simplifying
y = 4.2

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