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

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


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

Reorder the terms:
-1b + 9x + 3x = 3(3x + x)

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

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

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

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

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

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

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

Solving
-1b = 0

Solving for variable 'b'.

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

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

Simplifying
b = 0

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