-15y+84=20y-28

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Solution for -15y+84=20y-28 equation:


Simplifying
-15y + 84 = 20y + -28

Reorder the terms:
84 + -15y = 20y + -28

Reorder the terms:
84 + -15y = -28 + 20y

Solving
84 + -15y = -28 + 20y

Solving for variable 'y'.

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

Add '-20y' to each side of the equation.
84 + -15y + -20y = -28 + 20y + -20y

Combine like terms: -15y + -20y = -35y
84 + -35y = -28 + 20y + -20y

Combine like terms: 20y + -20y = 0
84 + -35y = -28 + 0
84 + -35y = -28

Add '-84' to each side of the equation.
84 + -84 + -35y = -28 + -84

Combine like terms: 84 + -84 = 0
0 + -35y = -28 + -84
-35y = -28 + -84

Combine like terms: -28 + -84 = -112
-35y = -112

Divide each side by '-35'.
y = 3.2

Simplifying
y = 3.2

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