3X+5=-X+20

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Solution for 3X+5=-X+20 equation:


Simplifying
3X + 5 = -1X + 20

Reorder the terms:
5 + 3X = -1X + 20

Reorder the terms:
5 + 3X = 20 + -1X

Solving
5 + 3X = 20 + -1X

Solving for variable 'X'.

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

Add 'X' to each side of the equation.
5 + 3X + X = 20 + -1X + X

Combine like terms: 3X + X = 4X
5 + 4X = 20 + -1X + X

Combine like terms: -1X + X = 0
5 + 4X = 20 + 0
5 + 4X = 20

Add '-5' to each side of the equation.
5 + -5 + 4X = 20 + -5

Combine like terms: 5 + -5 = 0
0 + 4X = 20 + -5
4X = 20 + -5

Combine like terms: 20 + -5 = 15
4X = 15

Divide each side by '4'.
X = 3.75

Simplifying
X = 3.75

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