(30-9x)+(3x-8)=4

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Solution for (30-9x)+(3x-8)=4 equation: 


Simplifying
(30 + -9x) + (3x + -8) = 4

Remove parenthesis around (30 + -9x)
30 + -9x + (3x + -8) = 4

Reorder the terms:
30 + -9x + (-8 + 3x) = 4

Remove parenthesis around (-8 + 3x)
30 + -9x + -8 + 3x = 4

Reorder the terms:
30 + -8 + -9x + 3x = 4

Combine like terms: 30 + -8 = 22
22 + -9x + 3x = 4

Combine like terms: -9x + 3x = -6x
22 + -6x = 4

Solving
22 + -6x = 4

Solving for variable 'x'.

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

Add '-22' to each side of the equation.
22 + -22 + -6x = 4 + -22

Combine like terms: 22 + -22 = 0
0 + -6x = 4 + -22
-6x = 4 + -22

Combine like terms: 4 + -22 = -18
-6x = -18

Divide each side by '-6'.
x = 3

Simplifying
x = 3

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