30-5x=9-8x

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Solution for 30-5x=9-8x equation:


Simplifying
30 + -5x = 9 + -8x

Solving
30 + -5x = 9 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
30 + -5x + 8x = 9 + -8x + 8x

Combine like terms: -5x + 8x = 3x
30 + 3x = 9 + -8x + 8x

Combine like terms: -8x + 8x = 0
30 + 3x = 9 + 0
30 + 3x = 9

Add '-30' to each side of the equation.
30 + -30 + 3x = 9 + -30

Combine like terms: 30 + -30 = 0
0 + 3x = 9 + -30
3x = 9 + -30

Combine like terms: 9 + -30 = -21
3x = -21

Divide each side by '3'.
x = -7

Simplifying
x = -7

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