3+7X=-9+X

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Solution for 3+7X=-9+X equation:


Simplifying
3 + 7X = -9 + X

Solving
3 + 7X = -9 + X

Solving for variable 'X'.

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

Add '-1X' to each side of the equation.
3 + 7X + -1X = -9 + X + -1X

Combine like terms: 7X + -1X = 6X
3 + 6X = -9 + X + -1X

Combine like terms: X + -1X = 0
3 + 6X = -9 + 0
3 + 6X = -9

Add '-3' to each side of the equation.
3 + -3 + 6X = -9 + -3

Combine like terms: 3 + -3 = 0
0 + 6X = -9 + -3
6X = -9 + -3

Combine like terms: -9 + -3 = -12
6X = -12

Divide each side by '6'.
X = -2

Simplifying
X = -2

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