5(y-2)-9=-7(-4y+1)-8y

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Solution for 5(y-2)-9=-7(-4y+1)-8y equation:


Simplifying
5(y + -2) + -9 = -7(-4y + 1) + -8y

Reorder the terms:
5(-2 + y) + -9 = -7(-4y + 1) + -8y
(-2 * 5 + y * 5) + -9 = -7(-4y + 1) + -8y
(-10 + 5y) + -9 = -7(-4y + 1) + -8y

Reorder the terms:
-10 + -9 + 5y = -7(-4y + 1) + -8y

Combine like terms: -10 + -9 = -19
-19 + 5y = -7(-4y + 1) + -8y

Reorder the terms:
-19 + 5y = -7(1 + -4y) + -8y
-19 + 5y = (1 * -7 + -4y * -7) + -8y
-19 + 5y = (-7 + 28y) + -8y

Combine like terms: 28y + -8y = 20y
-19 + 5y = -7 + 20y

Solving
-19 + 5y = -7 + 20y

Solving for variable 'y'.

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

Add '-20y' to each side of the equation.
-19 + 5y + -20y = -7 + 20y + -20y

Combine like terms: 5y + -20y = -15y
-19 + -15y = -7 + 20y + -20y

Combine like terms: 20y + -20y = 0
-19 + -15y = -7 + 0
-19 + -15y = -7

Add '19' to each side of the equation.
-19 + 19 + -15y = -7 + 19

Combine like terms: -19 + 19 = 0
0 + -15y = -7 + 19
-15y = -7 + 19

Combine like terms: -7 + 19 = 12
-15y = 12

Divide each side by '-15'.
y = -0.8

Simplifying
y = -0.8

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