-5(5y-10)+2(4y+9)=

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Solution for -5(5y-10)+2(4y+9)= equation:


Simplifying
-5(5y + -10) + 2(4y + 9) = 0

Reorder the terms:
-5(-10 + 5y) + 2(4y + 9) = 0
(-10 * -5 + 5y * -5) + 2(4y + 9) = 0
(50 + -25y) + 2(4y + 9) = 0

Reorder the terms:
50 + -25y + 2(9 + 4y) = 0
50 + -25y + (9 * 2 + 4y * 2) = 0
50 + -25y + (18 + 8y) = 0

Reorder the terms:
50 + 18 + -25y + 8y = 0

Combine like terms: 50 + 18 = 68
68 + -25y + 8y = 0

Combine like terms: -25y + 8y = -17y
68 + -17y = 0

Solving
68 + -17y = 0

Solving for variable 'y'.

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

Add '-68' to each side of the equation.
68 + -68 + -17y = 0 + -68

Combine like terms: 68 + -68 = 0
0 + -17y = 0 + -68
-17y = 0 + -68

Combine like terms: 0 + -68 = -68
-17y = -68

Divide each side by '-17'.
y = 4

Simplifying
y = 4

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