3x-9x+66=3x+30

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Solution for 3x-9x+66=3x+30 equation:


Simplifying
3x + -9x + 66 = 3x + 30

Reorder the terms:
66 + 3x + -9x = 3x + 30

Combine like terms: 3x + -9x = -6x
66 + -6x = 3x + 30

Reorder the terms:
66 + -6x = 30 + 3x

Solving
66 + -6x = 30 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
66 + -6x + -3x = 30 + 3x + -3x

Combine like terms: -6x + -3x = -9x
66 + -9x = 30 + 3x + -3x

Combine like terms: 3x + -3x = 0
66 + -9x = 30 + 0
66 + -9x = 30

Add '-66' to each side of the equation.
66 + -66 + -9x = 30 + -66

Combine like terms: 66 + -66 = 0
0 + -9x = 30 + -66
-9x = 30 + -66

Combine like terms: 30 + -66 = -36
-9x = -36

Divide each side by '-9'.
x = 4

Simplifying
x = 4

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