9y-[4y-(2y-5)]=10

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


Simplifying
9y + -1[4y + -1(2y + -5)] = 10

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

Reorder the terms:
9y + -1[5 + 4y + -2y] = 10

Combine like terms: 4y + -2y = 2y
9y + -1[5 + 2y] = 10
9y + [5 * -1 + 2y * -1] = 10
9y + [-5 + -2y] = 10

Reorder the terms:
-5 + 9y + -2y = 10

Combine like terms: 9y + -2y = 7y
-5 + 7y = 10

Solving
-5 + 7y = 10

Solving for variable 'y'.

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

Add '5' to each side of the equation.
-5 + 5 + 7y = 10 + 5

Combine like terms: -5 + 5 = 0
0 + 7y = 10 + 5
7y = 10 + 5

Combine like terms: 10 + 5 = 15
7y = 15

Divide each side by '7'.
y = 2.142857143

Simplifying
y = 2.142857143

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