3(x-4)=45

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Solution for 3(x-4)=45 equation: 


Simplifying
3(x + -4) = 45

Reorder the terms:
3(-4 + x) = 45
(-4 * 3 + x * 3) = 45
(-12 + 3x) = 45

Solving
-12 + 3x = 45

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 3x = 45 + 12

Combine like terms: -12 + 12 = 0
0 + 3x = 45 + 12
3x = 45 + 12

Combine like terms: 45 + 12 = 57
3x = 57

Divide each side by '3'.
x = 19

Simplifying
x = 19

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