2X+3(X+7)=11

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Solution for 2X+3(X+7)=11 equation:


Simplifying
2X + 3(X + 7) = 11

Reorder the terms:
2X + 3(7 + X) = 11
2X + (7 * 3 + X * 3) = 11
2X + (21 + 3X) = 11

Reorder the terms:
21 + 2X + 3X = 11

Combine like terms: 2X + 3X = 5X
21 + 5X = 11

Solving
21 + 5X = 11

Solving for variable 'X'.

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

Add '-21' to each side of the equation.
21 + -21 + 5X = 11 + -21

Combine like terms: 21 + -21 = 0
0 + 5X = 11 + -21
5X = 11 + -21

Combine like terms: 11 + -21 = -10
5X = -10

Divide each side by '5'.
X = -2

Simplifying
X = -2

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