X+20=5X-40

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Solution for X+20=5X-40 equation:


Simplifying
X + 20 = 5X + -40

Reorder the terms:
20 + X = 5X + -40

Reorder the terms:
20 + X = -40 + 5X

Solving
20 + X = -40 + 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.
20 + X + -5X = -40 + 5X + -5X

Combine like terms: X + -5X = -4X
20 + -4X = -40 + 5X + -5X

Combine like terms: 5X + -5X = 0
20 + -4X = -40 + 0
20 + -4X = -40

Add '-20' to each side of the equation.
20 + -20 + -4X = -40 + -20

Combine like terms: 20 + -20 = 0
0 + -4X = -40 + -20
-4X = -40 + -20

Combine like terms: -40 + -20 = -60
-4X = -60

Divide each side by '-4'.
X = 15

Simplifying
X = 15

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