(4y-9)(1+9)=0

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Solution for (4y-9)(1+9)=0 equation:


Simplifying
(4y + -9)(1 + 9) = 0

Reorder the terms:
(-9 + 4y)(1 + 9) = 0

Combine like terms: 1 + 9 = 10
(-9 + 4y)(10) = 0

Reorder the terms for easier multiplication:
10(-9 + 4y) = 0
(-9 * 10 + 4y * 10) = 0
(-90 + 40y) = 0

Solving
-90 + 40y = 0

Solving for variable 'y'.

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

Add '90' to each side of the equation.
-90 + 90 + 40y = 0 + 90

Combine like terms: -90 + 90 = 0
0 + 40y = 0 + 90
40y = 0 + 90

Combine like terms: 0 + 90 = 90
40y = 90

Divide each side by '40'.
y = 2.25

Simplifying
y = 2.25

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