5y+[3(5y+11)]-21=13

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Solution for 5y+[3(5y+11)]-21=13 equation:


Simplifying
5y + [3(5y + 11)] + -21 = 13

Reorder the terms:
5y + [3(11 + 5y)] + -21 = 13
5y + [(11 * 3 + 5y * 3)] + -21 = 13
5y + [(33 + 15y)] + -21 = 13
5y + [33 + 15y] + -21 = 13

Remove brackets around [33 + 15y]
5y + 33 + 15y + -21 = 13

Reorder the terms:
33 + -21 + 5y + 15y = 13

Combine like terms: 33 + -21 = 12
12 + 5y + 15y = 13

Combine like terms: 5y + 15y = 20y
12 + 20y = 13

Solving
12 + 20y = 13

Solving for variable 'y'.

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

Add '-12' to each side of the equation.
12 + -12 + 20y = 13 + -12

Combine like terms: 12 + -12 = 0
0 + 20y = 13 + -12
20y = 13 + -12

Combine like terms: 13 + -12 = 1
20y = 1

Divide each side by '20'.
y = 0.05

Simplifying
y = 0.05

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