2(x)+4(30-X)=20

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Solution for 2(x)+4(30-X)=20 equation:


Simplifying
2(x) + 4(30 + -1X) = 20
2x + (30 * 4 + -1X * 4) = 20
2x + (120 + -4X) = 20

Reorder the terms:
120 + -4X + 2x = 20

Solving
120 + -4X + 2x = 20

Solving for variable 'X'.

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

Add '-120' to each side of the equation.
120 + -4X + -120 + 2x = 20 + -120

Reorder the terms:
120 + -120 + -4X + 2x = 20 + -120

Combine like terms: 120 + -120 = 0
0 + -4X + 2x = 20 + -120
-4X + 2x = 20 + -120

Combine like terms: 20 + -120 = -100
-4X + 2x = -100

Add '-2x' to each side of the equation.
-4X + 2x + -2x = -100 + -2x

Combine like terms: 2x + -2x = 0
-4X + 0 = -100 + -2x
-4X = -100 + -2x

Divide each side by '-4'.
X = 25 + 0.5x

Simplifying
X = 25 + 0.5x

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