7-9[5-(3y-8)]=

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Solution for 7-9[5-(3y-8)]= equation:


Simplifying
7 + -9[5 + -1(3y + -8)] = 0

Reorder the terms:
7 + -9[5 + -1(-8 + 3y)] = 0
7 + -9[5 + (-8 * -1 + 3y * -1)] = 0
7 + -9[5 + (8 + -3y)] = 0

Combine like terms: 5 + 8 = 13
7 + -9[13 + -3y] = 0
7 + [13 * -9 + -3y * -9] = 0
7 + [-117 + 27y] = 0

Combine like terms: 7 + -117 = -110
-110 + 27y = 0

Solving
-110 + 27y = 0

Solving for variable 'y'.

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

Add '110' to each side of the equation.
-110 + 110 + 27y = 0 + 110

Combine like terms: -110 + 110 = 0
0 + 27y = 0 + 110
27y = 0 + 110

Combine like terms: 0 + 110 = 110
27y = 110

Divide each side by '27'.
y = 4.074074074

Simplifying
y = 4.074074074

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