(x-25)-(3x-20)=180

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Solution for (x-25)-(3x-20)=180 equation:


Simplifying
(x + -25) + -1(3x + -20) = 180

Reorder the terms:
(-25 + x) + -1(3x + -20) = 180

Remove parenthesis around (-25 + x)
-25 + x + -1(3x + -20) = 180

Reorder the terms:
-25 + x + -1(-20 + 3x) = 180
-25 + x + (-20 * -1 + 3x * -1) = 180
-25 + x + (20 + -3x) = 180

Reorder the terms:
-25 + 20 + x + -3x = 180

Combine like terms: -25 + 20 = -5
-5 + x + -3x = 180

Combine like terms: x + -3x = -2x
-5 + -2x = 180

Solving
-5 + -2x = 180

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + -2x = 180 + 5

Combine like terms: -5 + 5 = 0
0 + -2x = 180 + 5
-2x = 180 + 5

Combine like terms: 180 + 5 = 185
-2x = 185

Divide each side by '-2'.
x = -92.5

Simplifying
x = -92.5

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