3y+3(y+15)=225

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Solution for 3y+3(y+15)=225 equation:


Simplifying
3y + 3(y + 15) = 225

Reorder the terms:
3y + 3(15 + y) = 225
3y + (15 * 3 + y * 3) = 225
3y + (45 + 3y) = 225

Reorder the terms:
45 + 3y + 3y = 225

Combine like terms: 3y + 3y = 6y
45 + 6y = 225

Solving
45 + 6y = 225

Solving for variable 'y'.

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

Add '-45' to each side of the equation.
45 + -45 + 6y = 225 + -45

Combine like terms: 45 + -45 = 0
0 + 6y = 225 + -45
6y = 225 + -45

Combine like terms: 225 + -45 = 180
6y = 180

Divide each side by '6'.
y = 30

Simplifying
y = 30

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