3(y-15)-5(2y-4)=12

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Solution for 3(y-15)-5(2y-4)=12 equation:


Simplifying
3(y + -15) + -5(2y + -4) = 12

Reorder the terms:
3(-15 + y) + -5(2y + -4) = 12
(-15 * 3 + y * 3) + -5(2y + -4) = 12
(-45 + 3y) + -5(2y + -4) = 12

Reorder the terms:
-45 + 3y + -5(-4 + 2y) = 12
-45 + 3y + (-4 * -5 + 2y * -5) = 12
-45 + 3y + (20 + -10y) = 12

Reorder the terms:
-45 + 20 + 3y + -10y = 12

Combine like terms: -45 + 20 = -25
-25 + 3y + -10y = 12

Combine like terms: 3y + -10y = -7y
-25 + -7y = 12

Solving
-25 + -7y = 12

Solving for variable 'y'.

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

Add '25' to each side of the equation.
-25 + 25 + -7y = 12 + 25

Combine like terms: -25 + 25 = 0
0 + -7y = 12 + 25
-7y = 12 + 25

Combine like terms: 12 + 25 = 37
-7y = 37

Divide each side by '-7'.
y = -5.285714286

Simplifying
y = -5.285714286

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