7y-4=15y+12

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Solution for 7y-4=15y+12 equation:


Simplifying
7y + -4 = 15y + 12

Reorder the terms:
-4 + 7y = 15y + 12

Reorder the terms:
-4 + 7y = 12 + 15y

Solving
-4 + 7y = 12 + 15y

Solving for variable 'y'.

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

Add '-15y' to each side of the equation.
-4 + 7y + -15y = 12 + 15y + -15y

Combine like terms: 7y + -15y = -8y
-4 + -8y = 12 + 15y + -15y

Combine like terms: 15y + -15y = 0
-4 + -8y = 12 + 0
-4 + -8y = 12

Add '4' to each side of the equation.
-4 + 4 + -8y = 12 + 4

Combine like terms: -4 + 4 = 0
0 + -8y = 12 + 4
-8y = 12 + 4

Combine like terms: 12 + 4 = 16
-8y = 16

Divide each side by '-8'.
y = -2

Simplifying
y = -2

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