3x+(30-X)=50

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Solution for 3x+(30-X)=50 equation:


Simplifying
3x + (30 + -1X) = 50

Remove parenthesis around (30 + -1X)
3x + 30 + -1X = 50

Reorder the terms:
30 + -1X + 3x = 50

Solving
30 + -1X + 3x = 50

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 + -1X + -30 + 3x = 50 + -30

Reorder the terms:
30 + -30 + -1X + 3x = 50 + -30

Combine like terms: 30 + -30 = 0
0 + -1X + 3x = 50 + -30
-1X + 3x = 50 + -30

Combine like terms: 50 + -30 = 20
-1X + 3x = 20

Add '-3x' to each side of the equation.
-1X + 3x + -3x = 20 + -3x

Combine like terms: 3x + -3x = 0
-1X + 0 = 20 + -3x
-1X = 20 + -3x

Divide each side by '-1'.
X = -20 + 3x

Simplifying
X = -20 + 3x

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