3(10-x)=18

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Solution for 3(10-x)=18 equation: 


Simplifying
3(10 + -1x) = 18
(10 * 3 + -1x * 3) = 18
(30 + -3x) = 18

Solving
30 + -3x = 18

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + -3x = 18 + -30

Combine like terms: 30 + -30 = 0
0 + -3x = 18 + -30
-3x = 18 + -30

Combine like terms: 18 + -30 = -12
-3x = -12

Divide each side by '-3'.
x = 4

Simplifying
x = 4

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