3(y+5)-4=20

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Solution for 3(y+5)-4=20 equation: 


Simplifying
3(y + 5) + -4 = 20

Reorder the terms:
3(5 + y) + -4 = 20
(5 * 3 + y * 3) + -4 = 20
(15 + 3y) + -4 = 20

Reorder the terms:
15 + -4 + 3y = 20

Combine like terms: 15 + -4 = 11
11 + 3y = 20

Solving
11 + 3y = 20

Solving for variable 'y'.

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

Add '-11' to each side of the equation.
11 + -11 + 3y = 20 + -11

Combine like terms: 11 + -11 = 0
0 + 3y = 20 + -11
3y = 20 + -11

Combine like terms: 20 + -11 = 9
3y = 9

Divide each side by '3'.
y = 3

Simplifying
y = 3

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