2(5y-4)-(8y+5)=

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


Simplifying
2(5y + -4) + -1(8y + 5) = 0

Reorder the terms:
2(-4 + 5y) + -1(8y + 5) = 0
(-4 * 2 + 5y * 2) + -1(8y + 5) = 0
(-8 + 10y) + -1(8y + 5) = 0

Reorder the terms:
-8 + 10y + -1(5 + 8y) = 0
-8 + 10y + (5 * -1 + 8y * -1) = 0
-8 + 10y + (-5 + -8y) = 0

Reorder the terms:
-8 + -5 + 10y + -8y = 0

Combine like terms: -8 + -5 = -13
-13 + 10y + -8y = 0

Combine like terms: 10y + -8y = 2y
-13 + 2y = 0

Solving
-13 + 2y = 0

Solving for variable 'y'.

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

Add '13' to each side of the equation.
-13 + 13 + 2y = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 2y = 0 + 13
2y = 0 + 13

Combine like terms: 0 + 13 = 13
2y = 13

Divide each side by '2'.
y = 6.5

Simplifying
y = 6.5

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