2-7=3X+7

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Solution for 2-7=3X+7 equation: 


Simplifying
2 + -7 = 3X + 7

Combine like terms: 2 + -7 = -5
-5 = 3X + 7

Reorder the terms:
-5 = 7 + 3X

Solving
-5 = 7 + 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.
-5 + -3X = 7 + 3X + -3X

Combine like terms: 3X + -3X = 0
-5 + -3X = 7 + 0
-5 + -3X = 7

Add '5' to each side of the equation.
-5 + 5 + -3X = 7 + 5

Combine like terms: -5 + 5 = 0
0 + -3X = 7 + 5
-3X = 7 + 5

Combine like terms: 7 + 5 = 12
-3X = 12

Divide each side by '-3'.
X = -4

Simplifying
X = -4

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