7x-12=3y+9x

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Solution for 7x-12=3y+9x equation:


Simplifying
7x + -12 = 3y + 9x

Reorder the terms:
-12 + 7x = 3y + 9x

Reorder the terms:
-12 + 7x = 9x + 3y

Solving
-12 + 7x = 9x + 3y

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-12 + 7x + -9x = 9x + -9x + 3y

Combine like terms: 7x + -9x = -2x
-12 + -2x = 9x + -9x + 3y

Combine like terms: 9x + -9x = 0
-12 + -2x = 0 + 3y
-12 + -2x = 3y

Add '12' to each side of the equation.
-12 + 12 + -2x = 12 + 3y

Combine like terms: -12 + 12 = 0
0 + -2x = 12 + 3y
-2x = 12 + 3y

Divide each side by '-2'.
x = -6 + -1.5y

Simplifying
x = -6 + -1.5y

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