5-9[8-(7y-7)]=0

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Solution for 5-9[8-(7y-7)]=0 equation:


Simplifying
5 + -9[8 + -1(7y + -7)] = 0

Reorder the terms:
5 + -9[8 + -1(-7 + 7y)] = 0
5 + -9[8 + (-7 * -1 + 7y * -1)] = 0
5 + -9[8 + (7 + -7y)] = 0

Combine like terms: 8 + 7 = 15
5 + -9[15 + -7y] = 0
5 + [15 * -9 + -7y * -9] = 0
5 + [-135 + 63y] = 0

Combine like terms: 5 + -135 = -130
-130 + 63y = 0

Solving
-130 + 63y = 0

Solving for variable 'y'.

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

Add '130' to each side of the equation.
-130 + 130 + 63y = 0 + 130

Combine like terms: -130 + 130 = 0
0 + 63y = 0 + 130
63y = 0 + 130

Combine like terms: 0 + 130 = 130
63y = 130

Divide each side by '63'.
y = 2.063492063

Simplifying
y = 2.063492063

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