X+9-2x=7x-143

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Solution for X+9-2x=7x-143 equation:


Simplifying
X + 9 + -2x = 7x + -143

Reorder the terms:
9 + X + -2x = 7x + -143

Reorder the terms:
9 + X + -2x = -143 + 7x

Solving
9 + X + -2x = -143 + 7x

Solving for variable 'X'.

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

Add '-9' to each side of the equation.
9 + X + -9 + -2x = -143 + -9 + 7x

Reorder the terms:
9 + -9 + X + -2x = -143 + -9 + 7x

Combine like terms: 9 + -9 = 0
0 + X + -2x = -143 + -9 + 7x
X + -2x = -143 + -9 + 7x

Combine like terms: -143 + -9 = -152
X + -2x = -152 + 7x

Add '2x' to each side of the equation.
X + -2x + 2x = -152 + 7x + 2x

Combine like terms: -2x + 2x = 0
X + 0 = -152 + 7x + 2x
X = -152 + 7x + 2x

Combine like terms: 7x + 2x = 9x
X = -152 + 9x

Simplifying
X = -152 + 9x

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