12y+3y-20(y-5)=150

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Solution for 12y+3y-20(y-5)=150 equation:


Simplifying
12y + 3y + -20(y + -5) = 150

Reorder the terms:
12y + 3y + -20(-5 + y) = 150
12y + 3y + (-5 * -20 + y * -20) = 150
12y + 3y + (100 + -20y) = 150

Reorder the terms:
100 + 12y + 3y + -20y = 150

Combine like terms: 12y + 3y = 15y
100 + 15y + -20y = 150

Combine like terms: 15y + -20y = -5y
100 + -5y = 150

Solving
100 + -5y = 150

Solving for variable 'y'.

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

Add '-100' to each side of the equation.
100 + -100 + -5y = 150 + -100

Combine like terms: 100 + -100 = 0
0 + -5y = 150 + -100
-5y = 150 + -100

Combine like terms: 150 + -100 = 50
-5y = 50

Divide each side by '-5'.
y = -10

Simplifying
y = -10

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