3x-9x+30=15-2x-4

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Solution for 3x-9x+30=15-2x-4 equation:


Simplifying
3x + -9x + 30 = 15 + -2x + -4

Reorder the terms:
30 + 3x + -9x = 15 + -2x + -4

Combine like terms: 3x + -9x = -6x
30 + -6x = 15 + -2x + -4

Reorder the terms:
30 + -6x = 15 + -4 + -2x

Combine like terms: 15 + -4 = 11
30 + -6x = 11 + -2x

Solving
30 + -6x = 11 + -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.
30 + -6x + 2x = 11 + -2x + 2x

Combine like terms: -6x + 2x = -4x
30 + -4x = 11 + -2x + 2x

Combine like terms: -2x + 2x = 0
30 + -4x = 11 + 0
30 + -4x = 11

Add '-30' to each side of the equation.
30 + -30 + -4x = 11 + -30

Combine like terms: 30 + -30 = 0
0 + -4x = 11 + -30
-4x = 11 + -30

Combine like terms: 11 + -30 = -19
-4x = -19

Divide each side by '-4'.
x = 4.75

Simplifying
x = 4.75

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