75=(3y+1)+(12y-4)

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Solution for 75=(3y+1)+(12y-4) equation:


Simplifying
75 = (3y + 1) + (12y + -4)

Reorder the terms:
75 = (1 + 3y) + (12y + -4)

Remove parenthesis around (1 + 3y)
75 = 1 + 3y + (12y + -4)

Reorder the terms:
75 = 1 + 3y + (-4 + 12y)

Remove parenthesis around (-4 + 12y)
75 = 1 + 3y + -4 + 12y

Reorder the terms:
75 = 1 + -4 + 3y + 12y

Combine like terms: 1 + -4 = -3
75 = -3 + 3y + 12y

Combine like terms: 3y + 12y = 15y
75 = -3 + 15y

Solving
75 = -3 + 15y

Solving for variable 'y'.

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

Add '-15y' to each side of the equation.
75 + -15y = -3 + 15y + -15y

Combine like terms: 15y + -15y = 0
75 + -15y = -3 + 0
75 + -15y = -3

Add '-75' to each side of the equation.
75 + -75 + -15y = -3 + -75

Combine like terms: 75 + -75 = 0
0 + -15y = -3 + -75
-15y = -3 + -75

Combine like terms: -3 + -75 = -78
-15y = -78

Divide each side by '-15'.
y = 5.2

Simplifying
y = 5.2

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