3y-12=7y+4

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Solution for 3y-12=7y+4 equation:


Simplifying
3y + -12 = 7y + 4

Reorder the terms:
-12 + 3y = 7y + 4

Reorder the terms:
-12 + 3y = 4 + 7y

Solving
-12 + 3y = 4 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
-12 + 3y + -7y = 4 + 7y + -7y

Combine like terms: 3y + -7y = -4y
-12 + -4y = 4 + 7y + -7y

Combine like terms: 7y + -7y = 0
-12 + -4y = 4 + 0
-12 + -4y = 4

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

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

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

Divide each side by '-4'.
y = -4

Simplifying
y = -4

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