3(2+7)-3x=18

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Solution for 3(2+7)-3x=18 equation:


Simplifying
3(2 + 7) + -3x = 18

Combine like terms: 2 + 7 = 9
3(9) + -3x = 18

Multiply 3 * 9
27 + -3x = 18

Solving
27 + -3x = 18

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + -3x = 18 + -27

Combine like terms: 27 + -27 = 0
0 + -3x = 18 + -27
-3x = 18 + -27

Combine like terms: 18 + -27 = -9
-3x = -9

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

Simplifying
x = 3

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