15(5-y)=3y+12

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Solution for 15(5-y)=3y+12 equation:


Simplifying
15(5 + -1y) = 3y + 12
(5 * 15 + -1y * 15) = 3y + 12
(75 + -15y) = 3y + 12

Reorder the terms:
75 + -15y = 12 + 3y

Solving
75 + -15y = 12 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
75 + -15y + -3y = 12 + 3y + -3y

Combine like terms: -15y + -3y = -18y
75 + -18y = 12 + 3y + -3y

Combine like terms: 3y + -3y = 0
75 + -18y = 12 + 0
75 + -18y = 12

Add '-75' to each side of the equation.
75 + -75 + -18y = 12 + -75

Combine like terms: 75 + -75 = 0
0 + -18y = 12 + -75
-18y = 12 + -75

Combine like terms: 12 + -75 = -63
-18y = -63

Divide each side by '-18'.
y = 3.5

Simplifying
y = 3.5

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