3-7[9-(9y-8)]=

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Solution for 3-7[9-(9y-8)]= equation:


Simplifying
3 + -7[9 + -1(9y + -8)] = 0

Reorder the terms:
3 + -7[9 + -1(-8 + 9y)] = 0
3 + -7[9 + (-8 * -1 + 9y * -1)] = 0
3 + -7[9 + (8 + -9y)] = 0

Combine like terms: 9 + 8 = 17
3 + -7[17 + -9y] = 0
3 + [17 * -7 + -9y * -7] = 0
3 + [-119 + 63y] = 0

Combine like terms: 3 + -119 = -116
-116 + 63y = 0

Solving
-116 + 63y = 0

Solving for variable 'y'.

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

Add '116' to each side of the equation.
-116 + 116 + 63y = 0 + 116

Combine like terms: -116 + 116 = 0
0 + 63y = 0 + 116
63y = 0 + 116

Combine like terms: 0 + 116 = 116
63y = 116

Divide each side by '63'.
y = 1.841269841

Simplifying
y = 1.841269841

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