2-7[7-(3y-8)]=

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Solution for 2-7[7-(3y-8)]= equation: 


Simplifying
2 + -7[7 + -1(3y + -8)] = 0

Reorder the terms:
2 + -7[7 + -1(-8 + 3y)] = 0
2 + -7[7 + (-8 * -1 + 3y * -1)] = 0
2 + -7[7 + (8 + -3y)] = 0

Combine like terms: 7 + 8 = 15
2 + -7[15 + -3y] = 0
2 + [15 * -7 + -3y * -7] = 0
2 + [-105 + 21y] = 0

Combine like terms: 2 + -105 = -103
-103 + 21y = 0

Solving
-103 + 21y = 0

Solving for variable 'y'.

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

Add '103' to each side of the equation.
-103 + 103 + 21y = 0 + 103

Combine like terms: -103 + 103 = 0
0 + 21y = 0 + 103
21y = 0 + 103

Combine like terms: 0 + 103 = 103
21y = 103

Divide each side by '21'.
y = 4.904761905

Simplifying
y = 4.904761905

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