9x-21=35+x

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Solution for 9x-21=35+x equation:


Simplifying
9x + -21 = 35 + x

Reorder the terms:
-21 + 9x = 35 + x

Solving
-21 + 9x = 35 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-21 + 9x + -1x = 35 + x + -1x

Combine like terms: 9x + -1x = 8x
-21 + 8x = 35 + x + -1x

Combine like terms: x + -1x = 0
-21 + 8x = 35 + 0
-21 + 8x = 35

Add '21' to each side of the equation.
-21 + 21 + 8x = 35 + 21

Combine like terms: -21 + 21 = 0
0 + 8x = 35 + 21
8x = 35 + 21

Combine like terms: 35 + 21 = 56
8x = 56

Divide each side by '8'.
x = 7

Simplifying
x = 7

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