9x+9+21-7x-38=0

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Solution for 9x+9+21-7x-38=0 equation:


Simplifying
9x + 9 + 21 + -7x + -38 = 0

Reorder the terms:
9 + 21 + -38 + 9x + -7x = 0

Combine like terms: 9 + 21 = 30
30 + -38 + 9x + -7x = 0

Combine like terms: 30 + -38 = -8
-8 + 9x + -7x = 0

Combine like terms: 9x + -7x = 2x
-8 + 2x = 0

Solving
-8 + 2x = 0

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 2x = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 2x = 0 + 8
2x = 0 + 8

Combine like terms: 0 + 8 = 8
2x = 8

Divide each side by '2'.
x = 4

Simplifying
x = 4

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