x+3x-4=5x-20

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Solution for x+3x-4=5x-20 equation:


Simplifying
x + 3x + -4 = 5x + -20

Reorder the terms:
-4 + x + 3x = 5x + -20

Combine like terms: x + 3x = 4x
-4 + 4x = 5x + -20

Reorder the terms:
-4 + 4x = -20 + 5x

Solving
-4 + 4x = -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.
-4 + 4x + -5x = -20 + 5x + -5x

Combine like terms: 4x + -5x = -1x
-4 + -1x = -20 + 5x + -5x

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

Add '4' to each side of the equation.
-4 + 4 + -1x = -20 + 4

Combine like terms: -4 + 4 = 0
0 + -1x = -20 + 4
-1x = -20 + 4

Combine like terms: -20 + 4 = -16
-1x = -16

Divide each side by '-1'.
x = 16

Simplifying
x = 16

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