4X-(X+1)=20-5X

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Solution for 4X-(X+1)=20-5X equation:


Simplifying
4X + -1(X + 1) = 20 + -5X

Reorder the terms:
4X + -1(1 + X) = 20 + -5X
4X + (1 * -1 + X * -1) = 20 + -5X
4X + (-1 + -1X) = 20 + -5X

Reorder the terms:
-1 + 4X + -1X = 20 + -5X

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

Solving
-1 + 3X = 20 + -5X

Solving for variable 'X'.

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

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

Combine like terms: 3X + 5X = 8X
-1 + 8X = 20 + -5X + 5X

Combine like terms: -5X + 5X = 0
-1 + 8X = 20 + 0
-1 + 8X = 20

Add '1' to each side of the equation.
-1 + 1 + 8X = 20 + 1

Combine like terms: -1 + 1 = 0
0 + 8X = 20 + 1
8X = 20 + 1

Combine like terms: 20 + 1 = 21
8X = 21

Divide each side by '8'.
X = 2.625

Simplifying
X = 2.625

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