3y+45=3(5y+3)

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Solution for 3y+45=3(5y+3) equation:


Simplifying
3y + 45 = 3(5y + 3)

Reorder the terms:
45 + 3y = 3(5y + 3)

Reorder the terms:
45 + 3y = 3(3 + 5y)
45 + 3y = (3 * 3 + 5y * 3)
45 + 3y = (9 + 15y)

Solving
45 + 3y = 9 + 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.
45 + 3y + -15y = 9 + 15y + -15y

Combine like terms: 3y + -15y = -12y
45 + -12y = 9 + 15y + -15y

Combine like terms: 15y + -15y = 0
45 + -12y = 9 + 0
45 + -12y = 9

Add '-45' to each side of the equation.
45 + -45 + -12y = 9 + -45

Combine like terms: 45 + -45 = 0
0 + -12y = 9 + -45
-12y = 9 + -45

Combine like terms: 9 + -45 = -36
-12y = -36

Divide each side by '-12'.
y = 3

Simplifying
y = 3

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