7y+12=3y+4(y+3)

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Solution for 7y+12=3y+4(y+3) equation: 


Simplifying
7y + 12 = 3y + 4(y + 3)

Reorder the terms:
12 + 7y = 3y + 4(y + 3)

Reorder the terms:
12 + 7y = 3y + 4(3 + y)
12 + 7y = 3y + (3 * 4 + y * 4)
12 + 7y = 3y + (12 + 4y)

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

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

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

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

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

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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