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

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


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

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

Reorder the terms:
50 + -25y + 4(5 + 4y) = 0
50 + -25y + (5 * 4 + 4y * 4) = 0
50 + -25y + (20 + 16y) = 0

Reorder the terms:
50 + 20 + -25y + 16y = 0

Combine like terms: 50 + 20 = 70
70 + -25y + 16y = 0

Combine like terms: -25y + 16y = -9y
70 + -9y = 0

Solving
70 + -9y = 0

Solving for variable 'y'.

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

Add '-70' to each side of the equation.
70 + -70 + -9y = 0 + -70

Combine like terms: 70 + -70 = 0
0 + -9y = 0 + -70
-9y = 0 + -70

Combine like terms: 0 + -70 = -70
-9y = -70

Divide each side by '-9'.
y = 7.777777778

Simplifying
y = 7.777777778

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