9x+3x-y=3(3x+x)

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Solution for 9x+3x-y=3(3x+x) equation:


Simplifying
9x + 3x + -1y = 3(3x + x)

Combine like terms: 9x + 3x = 12x
12x + -1y = 3(3x + x)

Combine like terms: 3x + x = 4x
12x + -1y = 3(4x)

Remove parenthesis around (4x)
12x + -1y = 3 * 4x

Multiply 3 * 4
12x + -1y = 12x

Add '-12x' to each side of the equation.
12x + -12x + -1y = 12x + -12x

Combine like terms: 12x + -12x = 0
0 + -1y = 12x + -12x
-1y = 12x + -12x

Combine like terms: 12x + -12x = 0
-1y = 0

Solving
-1y = 0

Solving for variable 'y'.

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

Divide each side by '-1'.
y = 0

Simplifying
y = 0

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