9x+3(33-4x)=78

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Solution for 9x+3(33-4x)=78 equation:


Simplifying
9x + 3(33 + -4x) = 78
9x + (33 * 3 + -4x * 3) = 78
9x + (99 + -12x) = 78

Reorder the terms:
99 + 9x + -12x = 78

Combine like terms: 9x + -12x = -3x
99 + -3x = 78

Solving
99 + -3x = 78

Solving for variable 'x'.

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

Add '-99' to each side of the equation.
99 + -99 + -3x = 78 + -99

Combine like terms: 99 + -99 = 0
0 + -3x = 78 + -99
-3x = 78 + -99

Combine like terms: 78 + -99 = -21
-3x = -21

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

Simplifying
x = 7

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