x+9=2x+b

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Solution for x+9=2x+b equation:


Simplifying
x + 9 = 2x + b

Reorder the terms:
9 + x = 2x + b

Reorder the terms:
9 + x = b + 2x

Solving
9 + x = b + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
9 + x + -2x = b + 2x + -2x

Combine like terms: x + -2x = -1x
9 + -1x = b + 2x + -2x

Combine like terms: 2x + -2x = 0
9 + -1x = b + 0
9 + -1x = b

Add '-9' to each side of the equation.
9 + -9 + -1x = -9 + b

Combine like terms: 9 + -9 = 0
0 + -1x = -9 + b
-1x = -9 + b

Divide each side by '-1'.
x = 9 + -1b

Simplifying
x = 9 + -1b

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