72=6(-2+3x)+3x

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Solution for 72=6(-2+3x)+3x equation:


Simplifying
72 = 6(-2 + 3x) + 3x
72 = (-2 * 6 + 3x * 6) + 3x
72 = (-12 + 18x) + 3x

Combine like terms: 18x + 3x = 21x
72 = -12 + 21x

Solving
72 = -12 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
72 + -21x = -12 + 21x + -21x

Combine like terms: 21x + -21x = 0
72 + -21x = -12 + 0
72 + -21x = -12

Add '-72' to each side of the equation.
72 + -72 + -21x = -12 + -72

Combine like terms: 72 + -72 = 0
0 + -21x = -12 + -72
-21x = -12 + -72

Combine like terms: -12 + -72 = -84
-21x = -84

Divide each side by '-21'.
x = 4

Simplifying
x = 4

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