3X=15+2(3+X)

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Solution for 3X=15+2(3+X) equation:


Simplifying
3X = 15 + 2(3 + X)
3X = 15 + (3 * 2 + X * 2)
3X = 15 + (6 + 2X)

Combine like terms: 15 + 6 = 21
3X = 21 + 2X

Solving
3X = 21 + 2X

Solving for variable 'X'.

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

Add '-2X' to each side of the equation.
3X + -2X = 21 + 2X + -2X

Combine like terms: 3X + -2X = 1X
1X = 21 + 2X + -2X

Combine like terms: 2X + -2X = 0
1X = 21 + 0
1X = 21

Divide each side by '1'.
X = 21

Simplifying
X = 21

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