3(x-4)-20=25

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Solution for 3(x-4)-20=25 equation: 


Simplifying
3(x + -4) + -20 = 25

Reorder the terms:
3(-4 + x) + -20 = 25
(-4 * 3 + x * 3) + -20 = 25
(-12 + 3x) + -20 = 25

Reorder the terms:
-12 + -20 + 3x = 25

Combine like terms: -12 + -20 = -32
-32 + 3x = 25

Solving
-32 + 3x = 25

Solving for variable 'x'.

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

Add '32' to each side of the equation.
-32 + 32 + 3x = 25 + 32

Combine like terms: -32 + 32 = 0
0 + 3x = 25 + 32
3x = 25 + 32

Combine like terms: 25 + 32 = 57
3x = 57

Divide each side by '3'.
x = 19

Simplifying
x = 19

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