4y+-12=7y+15

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


Simplifying
4y + -12 = 7y + 15

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

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

Solving
-12 + 4y = 15 + 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 + 4y + -7y = 15 + 7y + -7y

Combine like terms: 4y + -7y = -3y
-12 + -3y = 15 + 7y + -7y

Combine like terms: 7y + -7y = 0
-12 + -3y = 15 + 0
-12 + -3y = 15

Add '12' to each side of the equation.
-12 + 12 + -3y = 15 + 12

Combine like terms: -12 + 12 = 0
0 + -3y = 15 + 12
-3y = 15 + 12

Combine like terms: 15 + 12 = 27
-3y = 27

Divide each side by '-3'.
y = -9

Simplifying
y = -9

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