(x-15)-3(x-5)=120

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Solution for (x-15)-3(x-5)=120 equation:


Simplifying
(x + -15) + -3(x + -5) = 120

Reorder the terms:
(-15 + x) + -3(x + -5) = 120

Remove parenthesis around (-15 + x)
-15 + x + -3(x + -5) = 120

Reorder the terms:
-15 + x + -3(-5 + x) = 120
-15 + x + (-5 * -3 + x * -3) = 120
-15 + x + (15 + -3x) = 120

Reorder the terms:
-15 + 15 + x + -3x = 120

Combine like terms: -15 + 15 = 0
0 + x + -3x = 120
x + -3x = 120

Combine like terms: x + -3x = -2x
-2x = 120

Solving
-2x = 120

Solving for variable 'x'.

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

Divide each side by '-2'.
x = -60

Simplifying
x = -60

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