13-2x-(X+1)=3(X+4)

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Solution for 13-2x-(X+1)=3(X+4) equation:


Simplifying
13 + -2x + -1(X + 1) = 3(X + 4)

Reorder the terms:
13 + -2x + -1(1 + X) = 3(X + 4)
13 + -2x + (1 * -1 + X * -1) = 3(X + 4)
13 + -2x + (-1 + -1X) = 3(X + 4)

Reorder the terms:
13 + -1 + -1X + -2x = 3(X + 4)

Combine like terms: 13 + -1 = 12
12 + -1X + -2x = 3(X + 4)

Reorder the terms:
12 + -1X + -2x = 3(4 + X)
12 + -1X + -2x = (4 * 3 + X * 3)
12 + -1X + -2x = (12 + 3X)

Add '-12' to each side of the equation.
12 + -1X + -12 + -2x = 12 + -12 + 3X

Reorder the terms:
12 + -12 + -1X + -2x = 12 + -12 + 3X

Combine like terms: 12 + -12 = 0
0 + -1X + -2x = 12 + -12 + 3X
-1X + -2x = 12 + -12 + 3X

Combine like terms: 12 + -12 = 0
-1X + -2x = 0 + 3X
-1X + -2x = 3X

Solving
-1X + -2x = 3X

Solving for variable 'X'.

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

Add '-3X' to each side of the equation.
-1X + -3X + -2x = 3X + -3X

Combine like terms: -1X + -3X = -4X
-4X + -2x = 3X + -3X

Combine like terms: 3X + -3X = 0
-4X + -2x = 0

Add '2x' to each side of the equation.
-4X + -2x + 2x = 0 + 2x

Combine like terms: -2x + 2x = 0
-4X + 0 = 0 + 2x
-4X = 0 + 2x
Remove the zero:
-4X = 2x

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

Simplifying
X = -0.5x

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