X-4+7=20

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Solution for X-4+7=20 equation: 


Simplifying
X + -4 + 7 = 20

Reorder the terms:
-4 + 7 + X = 20

Combine like terms: -4 + 7 = 3
3 + X = 20

Solving
3 + X = 20

Solving for variable 'X'.

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

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

Combine like terms: 3 + -3 = 0
0 + X = 20 + -3
X = 20 + -3

Combine like terms: 20 + -3 = 17
X = 17

Simplifying
X = 17

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